209876940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4271}}^1$

素因数の和:4309

約数の個数: 192

約数和(自身を含む): 803819520

約数和(自身を除く): 593942580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1755, 1820, 1890, 2340, 2457, 2730, 3276, 3510, 3780, 4095, 4271, 4914, 5460, 7020, 8190, 8542, 9828, 12285, 12813, 16380, 17084, 21355, 24570, 25626, 29897, 38439, 42710, 49140, 51252, 55523, 59794, 64065, 76878, 85420, 89691, 111046, 115317, 119588, 128130, 149485, 153756, 166569, 179382, 192195, 222092, 230634, 256260, 269073, 277615, 298970, 333138, 358764, 384390, 388661, 448455, 461268, 499707, 538146, 555230, 576585, 597940, 666276, 768780, 777322, 807219, 832845, 896910, 999414, 1076292, 1110460, 1153170, 1165983, 1345365, 1499121, 1554644, 1614438, 1665690, 1793820, 1943305, 1998828, 2306340, 2331966, 2498535, 2690730, 2998242, 3228876, 3331380, 3497949, 3886610, 4036095, 4663932, 4997070, 5381460, 5829915, 5996484, 6995898, 7495605, 7773220, 8072190, 9994140, 10493847, 11659830, 13991796, 14991210, 16144380, 17489745, 20987694, 23319660, 29982420, 34979490, 41975388, 52469235, 69958980, 104938470, 209876940]

約数ペア:

[(1, 209876940), (2, 104938470), (3, 69958980), (4, 52469235), (5, 41975388), (6, 34979490), (7, 29982420), (9, 23319660), (10, 20987694), (12, 17489745), (13, 16144380), (14, 14991210), (15, 13991796), (18, 11659830), (20, 10493847), (21, 9994140), (26, 8072190), (27, 7773220), (28, 7495605), (30, 6995898), (35, 5996484), (36, 5829915), (39, 5381460), (42, 4997070), (45, 4663932), (52, 4036095), (54, 3886610), (60, 3497949), (63, 3331380), (65, 3228876), (70, 2998242), (78, 2690730), (84, 2498535), (90, 2331966), (91, 2306340), (105, 1998828), (108, 1943305), (117, 1793820), (126, 1665690), (130, 1614438), (135, 1554644), (140, 1499121), (156, 1345365), (180, 1165983), (182, 1153170), (189, 1110460), (195, 1076292), (210, 999414), (234, 896910), (252, 832845), (260, 807219), (270, 777322), (273, 768780), (315, 666276), (351, 597940), (364, 576585), (378, 555230), (390, 538146), (420, 499707), (455, 461268), (468, 448455), (540, 388661), (546, 384390), (585, 358764), (630, 333138), (702, 298970), (756, 277615), (780, 269073), (819, 256260), (910, 230634), (945, 222092), (1092, 192195), (1170, 179382), (1260, 166569), (1365, 153756), (1404, 149485), (1638, 128130), (1755, 119588), (1820, 115317), (1890, 111046), (2340, 89691), (2457, 85420), (2730, 76878), (3276, 64065), (3510, 59794), (3780, 55523), (4095, 51252), (4271, 49140), (4914, 42710), (5460, 38439), (7020, 29897), (8190, 25626), (8542, 24570), (9828, 21355), (12285, 17084), (12813, 16380)]