388630752470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{993407}}^1$

素因数の和:993533

約数の個数: 64

約数和(自身を含む): 772474060800

約数和(自身を除く): 383843308330

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 71, 95, 142, 145, 190, 290, 355, 551, 710, 1102, 1349, 2059, 2698, 2755, 4118, 5510, 6745, 10295, 13490, 20590, 39121, 78242, 195605, 391210, 993407, 1986814, 4967035, 9934070, 18874733, 28808803, 37749466, 57617606, 70531897, 94373665, 141063794, 144044015, 188747330, 288088030, 352659485, 547367257, 705318970, 1094734514, 1340106043, 2045425013, 2680212086, 2736836285, 4090850026, 5473672570, 6700530215, 10227125065, 13401060430, 20454250130, 38863075247, 77726150494, 194315376235, 388630752470]

約数ペア:

[(1, 388630752470), (2, 194315376235), (5, 77726150494), (10, 38863075247), (19, 20454250130), (29, 13401060430), (38, 10227125065), (58, 6700530215), (71, 5473672570), (95, 4090850026), (142, 2736836285), (145, 2680212086), (190, 2045425013), (290, 1340106043), (355, 1094734514), (551, 705318970), (710, 547367257), (1102, 352659485), (1349, 288088030), (2059, 188747330), (2698, 144044015), (2755, 141063794), (4118, 94373665), (5510, 70531897), (6745, 57617606), (10295, 37749466), (13490, 28808803), (20590, 18874733), (39121, 9934070), (78242, 4967035), (195605, 1986814), (391210, 993407)]