129580

素因数分解:

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

素因数の和:70

約数の個数: 48

約数和(自身を含む): 322560

約数和(自身を除く): 192980

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, 380, 418, 589, 620, 682, 836, 1045, 1178, 1364, 1705, 2090, 2356, 2945, 3410, 4180, 5890, 6479, 6820, 11780, 12958, 25916, 32395, 64790, 129580]

約数ペア:

[(1, 129580), (2, 64790), (4, 32395), (5, 25916), (10, 12958), (11, 11780), (19, 6820), (20, 6479), (22, 5890), (31, 4180), (38, 3410), (44, 2945), (55, 2356), (62, 2090), (76, 1705), (95, 1364), (110, 1178), (124, 1045), (155, 836), (190, 682), (209, 620), (220, 589), (310, 418), (341, 380)]