492781640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{2731}}^1$

素因数の和:3102

約数の個数: 64

約数和(自身を含む): 1197927360

約数和(自身を除く): 705145720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 347, 520, 694, 1388, 1735, 2731, 2776, 3470, 4511, 5462, 6940, 9022, 10924, 13655, 13880, 18044, 21848, 22555, 27310, 35503, 36088, 45110, 54620, 71006, 90220, 109240, 142012, 177515, 180440, 284024, 355030, 710060, 947657, 1420120, 1895314, 3790628, 4738285, 7581256, 9476570, 12319541, 18953140, 24639082, 37906280, 49278164, 61597705, 98556328, 123195410, 246390820, 492781640]

約数ペア:

[(1, 492781640), (2, 246390820), (4, 123195410), (5, 98556328), (8, 61597705), (10, 49278164), (13, 37906280), (20, 24639082), (26, 18953140), (40, 12319541), (52, 9476570), (65, 7581256), (104, 4738285), (130, 3790628), (260, 1895314), (347, 1420120), (520, 947657), (694, 710060), (1388, 355030), (1735, 284024), (2731, 180440), (2776, 177515), (3470, 142012), (4511, 109240), (5462, 90220), (6940, 71006), (9022, 54620), (10924, 45110), (13655, 36088), (13880, 35503), (18044, 27310), (21848, 22555)]