1856212904

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1009}}^1$

素因数の和:1080

約数の個数: 144

約数和(自身を含む): 4606175700

約数和(自身を除く): 2749962796

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 133, 152, 182, 196, 247, 266, 361, 364, 392, 494, 532, 637, 722, 728, 931, 988, 1009, 1064, 1274, 1444, 1729, 1862, 1976, 2018, 2527, 2548, 2888, 3458, 3724, 4036, 4693, 5054, 5096, 6916, 7063, 7448, 8072, 9386, 10108, 12103, 13117, 13832, 14126, 17689, 18772, 19171, 20216, 24206, 26234, 28252, 32851, 35378, 37544, 38342, 48412, 49441, 52468, 56504, 65702, 70756, 76684, 91819, 96824, 98882, 104936, 131404, 134197, 141512, 153368, 183638, 197764, 229957, 249223, 262808, 268394, 364249, 367276, 395528, 459914, 498446, 536788, 642733, 728498, 734552, 919828, 939379, 996892, 1073576, 1285466, 1456996, 1744561, 1839656, 1878758, 1993784, 2549743, 2570932, 2913992, 3489122, 3757516, 4735237, 5099486, 5141864, 6978244, 7515032, 9470474, 10198972, 12211927, 13956488, 17848201, 18940948, 20397944, 24423854, 33146659, 35696402, 37881896, 48847708, 66293318, 71392804, 97695416, 132586636, 142785608, 232026613, 265173272, 464053226, 928106452, 1856212904]

約数ペア:

[(1, 1856212904), (2, 928106452), (4, 464053226), (7, 265173272), (8, 232026613), (13, 142785608), (14, 132586636), (19, 97695416), (26, 71392804), (28, 66293318), (38, 48847708), (49, 37881896), (52, 35696402), (56, 33146659), (76, 24423854), (91, 20397944), (98, 18940948), (104, 17848201), (133, 13956488), (152, 12211927), (182, 10198972), (196, 9470474), (247, 7515032), (266, 6978244), (361, 5141864), (364, 5099486), (392, 4735237), (494, 3757516), (532, 3489122), (637, 2913992), (722, 2570932), (728, 2549743), (931, 1993784), (988, 1878758), (1009, 1839656), (1064, 1744561), (1274, 1456996), (1444, 1285466), (1729, 1073576), (1862, 996892), (1976, 939379), (2018, 919828), (2527, 734552), (2548, 728498), (2888, 642733), (3458, 536788), (3724, 498446), (4036, 459914), (4693, 395528), (5054, 367276), (5096, 364249), (6916, 268394), (7063, 262808), (7448, 249223), (8072, 229957), (9386, 197764), (10108, 183638), (12103, 153368), (13117, 141512), (13832, 134197), (14126, 131404), (17689, 104936), (18772, 98882), (19171, 96824), (20216, 91819), (24206, 76684), (26234, 70756), (28252, 65702), (32851, 56504), (35378, 52468), (37544, 49441), (38342, 48412)]