201471820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 490533120

約数和(自身を除く): 289061300

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 157, 190, 209, 220, 307, 314, 380, 418, 614, 628, 785, 836, 1045, 1228, 1535, 1570, 1727, 2090, 2983, 3070, 3140, 3377, 3454, 4180, 5833, 5966, 6140, 6754, 6908, 8635, 11666, 11932, 13508, 14915, 16885, 17270, 23332, 29165, 29830, 32813, 33770, 34540, 48199, 58330, 59660, 64163, 65626, 67540, 96398, 116660, 128326, 131252, 164065, 192796, 240995, 256652, 320815, 328130, 481990, 530189, 641630, 656260, 915781, 963980, 1060378, 1283260, 1831562, 2120756, 2650945, 3663124, 4578905, 5301890, 9157810, 10073591, 10603780, 18315620, 20147182, 40294364, 50367955, 100735910, 201471820]

約数ペア:

[(1, 201471820), (2, 100735910), (4, 50367955), (5, 40294364), (10, 20147182), (11, 18315620), (19, 10603780), (20, 10073591), (22, 9157810), (38, 5301890), (44, 4578905), (55, 3663124), (76, 2650945), (95, 2120756), (110, 1831562), (157, 1283260), (190, 1060378), (209, 963980), (220, 915781), (307, 656260), (314, 641630), (380, 530189), (418, 481990), (614, 328130), (628, 320815), (785, 256652), (836, 240995), (1045, 192796), (1228, 164065), (1535, 131252), (1570, 128326), (1727, 116660), (2090, 96398), (2983, 67540), (3070, 65626), (3140, 64163), (3377, 59660), (3454, 58330), (4180, 48199), (5833, 34540), (5966, 33770), (6140, 32813), (6754, 29830), (6908, 29165), (8635, 23332), (11666, 17270), (11932, 16885), (13508, 14915)]