387935240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 256

約数和(自身を含む): 1194393600

約数和(自身を除く): 806458360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 31, 34, 35, 40, 44, 55, 56, 62, 68, 70, 77, 85, 88, 110, 119, 124, 136, 140, 154, 155, 170, 187, 217, 220, 238, 239, 248, 280, 308, 310, 340, 341, 374, 385, 434, 440, 476, 478, 527, 595, 616, 620, 680, 682, 748, 770, 868, 935, 952, 956, 1054, 1085, 1190, 1195, 1240, 1309, 1364, 1496, 1540, 1673, 1705, 1736, 1870, 1912, 2108, 2170, 2380, 2387, 2390, 2618, 2629, 2635, 2728, 3080, 3346, 3410, 3689, 3740, 4063, 4216, 4340, 4760, 4774, 4780, 5236, 5258, 5270, 5797, 6545, 6692, 6820, 7378, 7409, 7480, 8126, 8365, 8680, 9548, 9560, 10472, 10516, 10540, 11594, 11935, 13090, 13145, 13384, 13640, 14756, 14818, 16252, 16730, 18403, 18445, 19096, 20315, 21032, 21080, 23188, 23870, 26180, 26290, 28441, 28985, 29512, 29636, 32504, 33460, 36806, 36890, 37045, 40579, 40630, 44693, 46376, 47740, 51863, 52360, 52580, 56882, 57970, 59272, 66920, 73612, 73780, 74090, 81158, 81260, 81499, 89386, 92015, 95480, 103726, 105160, 113764, 115940, 125953, 142205, 147224, 147560, 148180, 162316, 162520, 162998, 178772, 184030, 202895, 207452, 223465, 227528, 231880, 251906, 259315, 284410, 296360, 312851, 324632, 325996, 357544, 368060, 405790, 407495, 414904, 446930, 503812, 518630, 568820, 570493, 625702, 629765, 651992, 736120, 811580, 814990, 881671, 893860, 1007624, 1037260, 1137640, 1140986, 1251404, 1259530, 1385483, 1564255, 1623160, 1629980, 1763342, 1787720, 2074520, 2281972, 2502808, 2519060, 2770966, 2852465, 3128510, 3259960, 3526684, 4408355, 4563944, 5038120, 5541932, 5704930, 6257020, 6927415, 7053368, 8816710, 9698381, 11083864, 11409860, 12514040, 13854830, 17633420, 19396762, 22819720, 27709660, 35266840, 38793524, 48491905, 55419320, 77587048, 96983810, 193967620, 387935240]

約数ペア:

[(1, 387935240), (2, 193967620), (4, 96983810), (5, 77587048), (7, 55419320), (8, 48491905), (10, 38793524), (11, 35266840), (14, 27709660), (17, 22819720), (20, 19396762), (22, 17633420), (28, 13854830), (31, 12514040), (34, 11409860), (35, 11083864), (40, 9698381), (44, 8816710), (55, 7053368), (56, 6927415), (62, 6257020), (68, 5704930), (70, 5541932), (77, 5038120), (85, 4563944), (88, 4408355), (110, 3526684), (119, 3259960), (124, 3128510), (136, 2852465), (140, 2770966), (154, 2519060), (155, 2502808), (170, 2281972), (187, 2074520), (217, 1787720), (220, 1763342), (238, 1629980), (239, 1623160), (248, 1564255), (280, 1385483), (308, 1259530), (310, 1251404), (340, 1140986), (341, 1137640), (374, 1037260), (385, 1007624), (434, 893860), (440, 881671), (476, 814990), (478, 811580), (527, 736120), (595, 651992), (616, 629765), (620, 625702), (680, 570493), (682, 568820), (748, 518630), (770, 503812), (868, 446930), (935, 414904), (952, 407495), (956, 405790), (1054, 368060), (1085, 357544), (1190, 325996), (1195, 324632), (1240, 312851), (1309, 296360), (1364, 284410), (1496, 259315), (1540, 251906), (1673, 231880), (1705, 227528), (1736, 223465), (1870, 207452), (1912, 202895), (2108, 184030), (2170, 178772), (2380, 162998), (2387, 162520), (2390, 162316), (2618, 148180), (2629, 147560), (2635, 147224), (2728, 142205), (3080, 125953), (3346, 115940), (3410, 113764), (3689, 105160), (3740, 103726), (4063, 95480), (4216, 92015), (4340, 89386), (4760, 81499), (4774, 81260), (4780, 81158), (5236, 74090), (5258, 73780), (5270, 73612), (5797, 66920), (6545, 59272), (6692, 57970), (6820, 56882), (7378, 52580), (7409, 52360), (7480, 51863), (8126, 47740), (8365, 46376), (8680, 44693), (9548, 40630), (9560, 40579), (10472, 37045), (10516, 36890), (10540, 36806), (11594, 33460), (11935, 32504), (13090, 29636), (13145, 29512), (13384, 28985), (13640, 28441), (14756, 26290), (14818, 26180), (16252, 23870), (16730, 23188), (18403, 21080), (18445, 21032), (19096, 20315)]