1231010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 2633472

約数和(自身を除く): 1402462

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 310, 341, 361, 418, 589, 682, 722, 1045, 1178, 1705, 1805, 2090, 2945, 3410, 3610, 3971, 5890, 6479, 7942, 11191, 12958, 19855, 22382, 32395, 39710, 55955, 64790, 111910, 123101, 246202, 615505, 1231010]

約数ペア:

[(1, 1231010), (2, 615505), (5, 246202), (10, 123101), (11, 111910), (19, 64790), (22, 55955), (31, 39710), (38, 32395), (55, 22382), (62, 19855), (95, 12958), (110, 11191), (155, 7942), (190, 6479), (209, 5890), (310, 3971), (341, 3610), (361, 3410), (418, 2945), (589, 2090), (682, 1805), (722, 1705), (1045, 1178)]