207900910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{929}}^1$

素因数の和:1105

約数の個数: 64

約数和(自身を含む): 449971200

約数和(自身を除く): 242070290

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 139, 161, 230, 278, 322, 695, 805, 929, 973, 1390, 1610, 1858, 1946, 3197, 4645, 4865, 6394, 6503, 9290, 9730, 13006, 15985, 21367, 22379, 31970, 32515, 42734, 44758, 65030, 106835, 111895, 129131, 149569, 213670, 223790, 258262, 299138, 645655, 747845, 903917, 1291310, 1495690, 1807834, 2970013, 4519585, 5940026, 9039170, 14850065, 20790091, 29700130, 41580182, 103950455, 207900910]

約数ペア:

[(1, 207900910), (2, 103950455), (5, 41580182), (7, 29700130), (10, 20790091), (14, 14850065), (23, 9039170), (35, 5940026), (46, 4519585), (70, 2970013), (115, 1807834), (139, 1495690), (161, 1291310), (230, 903917), (278, 747845), (322, 645655), (695, 299138), (805, 258262), (929, 223790), (973, 213670), (1390, 149569), (1610, 129131), (1858, 111895), (1946, 106835), (3197, 65030), (4645, 44758), (4865, 42734), (6394, 32515), (6503, 31970), (9290, 22379), (9730, 21367), (13006, 15985)]