206937640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:579

約数の個数: 128

約数和(自身を含む): 578592000

約数和(自身を除く): 371654360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 139, 140, 182, 260, 278, 280, 364, 409, 455, 520, 556, 695, 728, 818, 910, 973, 1112, 1390, 1636, 1807, 1820, 1946, 2045, 2780, 2863, 3272, 3614, 3640, 3892, 4090, 4865, 5317, 5560, 5726, 7228, 7784, 8180, 9035, 9730, 10634, 11452, 12649, 14315, 14456, 16360, 18070, 19460, 21268, 22904, 25298, 26585, 28630, 36140, 37219, 38920, 42536, 50596, 53170, 56851, 57260, 63245, 72280, 74438, 101192, 106340, 113702, 114520, 126490, 148876, 186095, 212680, 227404, 252980, 284255, 297752, 372190, 397957, 454808, 505960, 568510, 739063, 744380, 795914, 1137020, 1478126, 1488760, 1591828, 1989785, 2274040, 2956252, 3183656, 3695315, 3979570, 5173441, 5912504, 7390630, 7959140, 10346882, 14781260, 15918280, 20693764, 25867205, 29562520, 41387528, 51734410, 103468820, 206937640]

約数ペア:

[(1, 206937640), (2, 103468820), (4, 51734410), (5, 41387528), (7, 29562520), (8, 25867205), (10, 20693764), (13, 15918280), (14, 14781260), (20, 10346882), (26, 7959140), (28, 7390630), (35, 5912504), (40, 5173441), (52, 3979570), (56, 3695315), (65, 3183656), (70, 2956252), (91, 2274040), (104, 1989785), (130, 1591828), (139, 1488760), (140, 1478126), (182, 1137020), (260, 795914), (278, 744380), (280, 739063), (364, 568510), (409, 505960), (455, 454808), (520, 397957), (556, 372190), (695, 297752), (728, 284255), (818, 252980), (910, 227404), (973, 212680), (1112, 186095), (1390, 148876), (1636, 126490), (1807, 114520), (1820, 113702), (1946, 106340), (2045, 101192), (2780, 74438), (2863, 72280), (3272, 63245), (3614, 57260), (3640, 56851), (3892, 53170), (4090, 50596), (4865, 42536), (5317, 38920), (5560, 37219), (5726, 36140), (7228, 28630), (7784, 26585), (8180, 25298), (9035, 22904), (9730, 21268), (10634, 19460), (11452, 18070), (12649, 16360), (14315, 14456)]