401048860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{8861}}^1$

素因数の和:8974

約数の個数: 48

約数和(自身を含む): 881379072

約数和(自身を除く): 480330212

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 1460, 2263, 4526, 8861, 9052, 11315, 17722, 22630, 35444, 44305, 45260, 88610, 177220, 274691, 549382, 646853, 1098764, 1293706, 1373455, 2587412, 2746910, 3234265, 5493820, 6468530, 12937060, 20052443, 40104886, 80209772, 100262215, 200524430, 401048860]

約数ペア:

[(1, 401048860), (2, 200524430), (4, 100262215), (5, 80209772), (10, 40104886), (20, 20052443), (31, 12937060), (62, 6468530), (73, 5493820), (124, 3234265), (146, 2746910), (155, 2587412), (292, 1373455), (310, 1293706), (365, 1098764), (620, 646853), (730, 549382), (1460, 274691), (2263, 177220), (4526, 88610), (8861, 45260), (9052, 44305), (11315, 35444), (17722, 22630)]