30100180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{379}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 72969120

約数和(自身を除く): 42868940

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 379, 380, 418, 722, 758, 836, 1045, 1444, 1516, 1805, 1895, 2090, 3610, 3790, 3971, 4169, 4180, 7201, 7220, 7580, 7942, 8338, 14402, 15884, 16676, 19855, 20845, 28804, 36005, 39710, 41690, 72010, 79211, 79420, 83380, 136819, 144020, 158422, 273638, 316844, 396055, 547276, 684095, 792110, 1368190, 1505009, 1584220, 2736380, 3010018, 6020036, 7525045, 15050090, 30100180]

約数ペア:

[(1, 30100180), (2, 15050090), (4, 7525045), (5, 6020036), (10, 3010018), (11, 2736380), (19, 1584220), (20, 1505009), (22, 1368190), (38, 792110), (44, 684095), (55, 547276), (76, 396055), (95, 316844), (110, 273638), (190, 158422), (209, 144020), (220, 136819), (361, 83380), (379, 79420), (380, 79211), (418, 72010), (722, 41690), (758, 39710), (836, 36005), (1045, 28804), (1444, 20845), (1516, 19855), (1805, 16676), (1895, 15884), (2090, 14402), (3610, 8338), (3790, 7942), (3971, 7580), (4169, 7220), (4180, 7201)]