55419320

素因数分解:

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

素因数の和:309

約数の個数: 128

約数和(自身を含む): 149299200

約数和(自身を除く): 93879880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 110, 124, 136, 155, 170, 187, 220, 239, 248, 310, 340, 341, 374, 440, 478, 527, 620, 680, 682, 748, 935, 956, 1054, 1195, 1240, 1364, 1496, 1705, 1870, 1912, 2108, 2390, 2629, 2635, 2728, 3410, 3740, 4063, 4216, 4780, 5258, 5270, 5797, 6820, 7409, 7480, 8126, 9560, 10516, 10540, 11594, 13145, 13640, 14818, 16252, 20315, 21032, 21080, 23188, 26290, 28985, 29636, 32504, 37045, 40630, 44693, 46376, 52580, 57970, 59272, 74090, 81260, 81499, 89386, 105160, 115940, 125953, 148180, 162520, 162998, 178772, 223465, 231880, 251906, 296360, 325996, 357544, 407495, 446930, 503812, 629765, 651992, 814990, 893860, 1007624, 1259530, 1385483, 1629980, 1787720, 2519060, 2770966, 3259960, 5038120, 5541932, 6927415, 11083864, 13854830, 27709660, 55419320]

約数ペア:

[(1, 55419320), (2, 27709660), (4, 13854830), (5, 11083864), (8, 6927415), (10, 5541932), (11, 5038120), (17, 3259960), (20, 2770966), (22, 2519060), (31, 1787720), (34, 1629980), (40, 1385483), (44, 1259530), (55, 1007624), (62, 893860), (68, 814990), (85, 651992), (88, 629765), (110, 503812), (124, 446930), (136, 407495), (155, 357544), (170, 325996), (187, 296360), (220, 251906), (239, 231880), (248, 223465), (310, 178772), (340, 162998), (341, 162520), (374, 148180), (440, 125953), (478, 115940), (527, 105160), (620, 89386), (680, 81499), (682, 81260), (748, 74090), (935, 59272), (956, 57970), (1054, 52580), (1195, 46376), (1240, 44693), (1364, 40630), (1496, 37045), (1705, 32504), (1870, 29636), (1912, 28985), (2108, 26290), (2390, 23188), (2629, 21080), (2635, 21032), (2728, 20315), (3410, 16252), (3740, 14818), (4063, 13640), (4216, 13145), (4780, 11594), (5258, 10540), (5270, 10516), (5797, 9560), (6820, 8126), (7409, 7480)]