745103671780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9689}}^1\times {\mathrm{295777}}^1$

素因数の和:305488

約数の個数: 48

約数和(自身を含む): 1685260226160

約数和(自身を除く): 940156554380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 9689, 19378, 38756, 48445, 96890, 125957, 193780, 251914, 295777, 503828, 591554, 629785, 1183108, 1259570, 1478885, 2519140, 2957770, 3845101, 5915540, 7690202, 15380404, 19225505, 38451010, 76902020, 2865783353, 5731566706, 11463133412, 14328916765, 28657833530, 37255183589, 57315667060, 74510367178, 149020734356, 186275917945, 372551835890, 745103671780]

約数ペア:

[(1, 745103671780), (2, 372551835890), (4, 186275917945), (5, 149020734356), (10, 74510367178), (13, 57315667060), (20, 37255183589), (26, 28657833530), (52, 14328916765), (65, 11463133412), (130, 5731566706), (260, 2865783353), (9689, 76902020), (19378, 38451010), (38756, 19225505), (48445, 15380404), (96890, 7690202), (125957, 5915540), (193780, 3845101), (251914, 2957770), (295777, 2519140), (503828, 1478885), (591554, 1259570), (629785, 1183108)]