138814280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10177}}^1$

素因数の和:10230

約数の個数: 64

約数和(自身を含む): 351751680

約数和(自身を除く): 212937400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 10177, 13640, 20354, 40708, 50885, 81416, 101770, 111947, 203540, 223894, 315487, 407080, 447788, 559735, 630974, 895576, 1119470, 1261948, 1577435, 2238940, 2523896, 3154870, 3470357, 4477880, 6309740, 6940714, 12619480, 13881428, 17351785, 27762856, 34703570, 69407140, 138814280]

約数ペア:

[(1, 138814280), (2, 69407140), (4, 34703570), (5, 27762856), (8, 17351785), (10, 13881428), (11, 12619480), (20, 6940714), (22, 6309740), (31, 4477880), (40, 3470357), (44, 3154870), (55, 2523896), (62, 2238940), (88, 1577435), (110, 1261948), (124, 1119470), (155, 895576), (220, 630974), (248, 559735), (310, 447788), (341, 407080), (440, 315487), (620, 223894), (682, 203540), (1240, 111947), (1364, 101770), (1705, 81416), (2728, 50885), (3410, 40708), (6820, 20354), (10177, 13640)]