401651380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{953}}^1\times {\mathrm{1621}}^1$

素因数の和:2596

約数の個数: 48

約数和(自身を含む): 909864144

約数和(自身を除く): 508212764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 953, 1621, 1906, 3242, 3812, 4765, 6484, 8105, 9530, 12389, 16210, 19060, 21073, 24778, 32420, 42146, 49556, 61945, 84292, 105365, 123890, 210730, 247780, 421460, 1544813, 3089626, 6179252, 7724065, 15448130, 20082569, 30896260, 40165138, 80330276, 100412845, 200825690, 401651380]

約数ペア:

[(1, 401651380), (2, 200825690), (4, 100412845), (5, 80330276), (10, 40165138), (13, 30896260), (20, 20082569), (26, 15448130), (52, 7724065), (65, 6179252), (130, 3089626), (260, 1544813), (953, 421460), (1621, 247780), (1906, 210730), (3242, 123890), (3812, 105365), (4765, 84292), (6484, 61945), (8105, 49556), (9530, 42146), (12389, 32420), (16210, 24778), (19060, 21073)]