2462020

素因数分解:

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

素因数の和:89

約数の個数: 72

約数和(自身を含む): 6144768

約数和(自身を除く): 3682748

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 209, 220, 310, 341, 361, 380, 418, 589, 620, 682, 722, 836, 1045, 1178, 1364, 1444, 1705, 1805, 2090, 2356, 2945, 3410, 3610, 3971, 4180, 5890, 6479, 6820, 7220, 7942, 11191, 11780, 12958, 15884, 19855, 22382, 25916, 32395, 39710, 44764, 55955, 64790, 79420, 111910, 123101, 129580, 223820, 246202, 492404, 615505, 1231010, 2462020]

約数ペア:

[(1, 2462020), (2, 1231010), (4, 615505), (5, 492404), (10, 246202), (11, 223820), (19, 129580), (20, 123101), (22, 111910), (31, 79420), (38, 64790), (44, 55955), (55, 44764), (62, 39710), (76, 32395), (95, 25916), (110, 22382), (124, 19855), (155, 15884), (190, 12958), (209, 11780), (220, 11191), (310, 7942), (341, 7220), (361, 6820), (380, 6479), (418, 5890), (589, 4180), (620, 3971), (682, 3610), (722, 3410), (836, 2945), (1045, 2356), (1178, 2090), (1364, 1805), (1444, 1705)]