208866840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:682

約数の個数: 256

約数和(自身を含む): 797368320

約数和(自身を除く): 588501480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 52, 56, 60, 62, 65, 70, 78, 84, 91, 93, 104, 105, 120, 124, 130, 140, 155, 156, 168, 182, 186, 195, 210, 217, 248, 260, 273, 280, 310, 312, 364, 372, 390, 403, 420, 434, 455, 465, 520, 546, 617, 620, 651, 728, 744, 780, 806, 840, 868, 910, 930, 1085, 1092, 1209, 1234, 1240, 1302, 1365, 1560, 1612, 1736, 1820, 1851, 1860, 2015, 2170, 2184, 2418, 2468, 2604, 2730, 2821, 3085, 3224, 3255, 3640, 3702, 3720, 4030, 4319, 4340, 4836, 4936, 5208, 5460, 5642, 6045, 6170, 6510, 7404, 8021, 8060, 8463, 8638, 8680, 9255, 9672, 10920, 11284, 12090, 12340, 12957, 13020, 14105, 14808, 16042, 16120, 16926, 17276, 18510, 19127, 21595, 22568, 24063, 24180, 24680, 25914, 26040, 28210, 32084, 33852, 34552, 37020, 38254, 40105, 42315, 43190, 48126, 48360, 51828, 56147, 56420, 57381, 64168, 64785, 67704, 74040, 76508, 80210, 84630, 86380, 95635, 96252, 103656, 112294, 112840, 114762, 120315, 129570, 133889, 153016, 160420, 168441, 169260, 172760, 191270, 192504, 224588, 229524, 240630, 248651, 259140, 267778, 280735, 286905, 320840, 336882, 338520, 382540, 401667, 449176, 459048, 481260, 497302, 518280, 535556, 561470, 573810, 669445, 673764, 745953, 765080, 803334, 842205, 962520, 994604, 1071112, 1122940, 1147620, 1243255, 1338890, 1347528, 1491906, 1606668, 1684410, 1740557, 1989208, 2008335, 2245880, 2295240, 2486510, 2677780, 2983812, 3213336, 3368820, 3481114, 3729765, 4016670, 4973020, 5221671, 5355560, 5967624, 6737640, 6962228, 7459530, 8033340, 8702785, 9946040, 10443342, 13924456, 14919060, 16066680, 17405570, 20886684, 26108355, 29838120, 34811140, 41773368, 52216710, 69622280, 104433420, 208866840]

約数ペア:

[(1, 208866840), (2, 104433420), (3, 69622280), (4, 52216710), (5, 41773368), (6, 34811140), (7, 29838120), (8, 26108355), (10, 20886684), (12, 17405570), (13, 16066680), (14, 14919060), (15, 13924456), (20, 10443342), (21, 9946040), (24, 8702785), (26, 8033340), (28, 7459530), (30, 6962228), (31, 6737640), (35, 5967624), (39, 5355560), (40, 5221671), (42, 4973020), (52, 4016670), (56, 3729765), (60, 3481114), (62, 3368820), (65, 3213336), (70, 2983812), (78, 2677780), (84, 2486510), (91, 2295240), (93, 2245880), (104, 2008335), (105, 1989208), (120, 1740557), (124, 1684410), (130, 1606668), (140, 1491906), (155, 1347528), (156, 1338890), (168, 1243255), (182, 1147620), (186, 1122940), (195, 1071112), (210, 994604), (217, 962520), (248, 842205), (260, 803334), (273, 765080), (280, 745953), (310, 673764), (312, 669445), (364, 573810), (372, 561470), (390, 535556), (403, 518280), (420, 497302), (434, 481260), (455, 459048), (465, 449176), (520, 401667), (546, 382540), (617, 338520), (620, 336882), (651, 320840), (728, 286905), (744, 280735), (780, 267778), (806, 259140), (840, 248651), (868, 240630), (910, 229524), (930, 224588), (1085, 192504), (1092, 191270), (1209, 172760), (1234, 169260), (1240, 168441), (1302, 160420), (1365, 153016), (1560, 133889), (1612, 129570), (1736, 120315), (1820, 114762), (1851, 112840), (1860, 112294), (2015, 103656), (2170, 96252), (2184, 95635), (2418, 86380), (2468, 84630), (2604, 80210), (2730, 76508), (2821, 74040), (3085, 67704), (3224, 64785), (3255, 64168), (3640, 57381), (3702, 56420), (3720, 56147), (4030, 51828), (4319, 48360), (4340, 48126), (4836, 43190), (4936, 42315), (5208, 40105), (5460, 38254), (5642, 37020), (6045, 34552), (6170, 33852), (6510, 32084), (7404, 28210), (8021, 26040), (8060, 25914), (8463, 24680), (8638, 24180), (8680, 24063), (9255, 22568), (9672, 21595), (10920, 19127), (11284, 18510), (12090, 17276), (12340, 16926), (12957, 16120), (13020, 16042), (14105, 14808)]