205165380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{877}}^1$

素因数の和:1453

約数の個数: 96

約数和(自身を含む): 658457856

約数和(自身を除く): 453292476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 557, 877, 1114, 1671, 1754, 2228, 2631, 2785, 3342, 3508, 3899, 4385, 5262, 5570, 6139, 6684, 7798, 8355, 8770, 10524, 11140, 11697, 12278, 13155, 15596, 16710, 17540, 18417, 19495, 23394, 24556, 26310, 30695, 33420, 36834, 38990, 46788, 52620, 58485, 61390, 73668, 77980, 92085, 116970, 122780, 184170, 233940, 368340, 488489, 976978, 1465467, 1953956, 2442445, 2930934, 3419423, 4884890, 5861868, 6838846, 7327335, 9769780, 10258269, 13677692, 14654670, 17097115, 20516538, 29309340, 34194230, 41033076, 51291345, 68388460, 102582690, 205165380]

約数ペア:

[(1, 205165380), (2, 102582690), (3, 68388460), (4, 51291345), (5, 41033076), (6, 34194230), (7, 29309340), (10, 20516538), (12, 17097115), (14, 14654670), (15, 13677692), (20, 10258269), (21, 9769780), (28, 7327335), (30, 6838846), (35, 5861868), (42, 4884890), (60, 3419423), (70, 2930934), (84, 2442445), (105, 1953956), (140, 1465467), (210, 976978), (420, 488489), (557, 368340), (877, 233940), (1114, 184170), (1671, 122780), (1754, 116970), (2228, 92085), (2631, 77980), (2785, 73668), (3342, 61390), (3508, 58485), (3899, 52620), (4385, 46788), (5262, 38990), (5570, 36834), (6139, 33420), (6684, 30695), (7798, 26310), (8355, 24556), (8770, 23394), (10524, 19495), (11140, 18417), (11697, 17540), (12278, 16710), (13155, 15596)]