201863960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 464486400

約数和(自身を除く): 262622440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 127, 158, 254, 316, 395, 503, 508, 632, 635, 790, 1006, 1016, 1270, 1580, 2012, 2515, 2540, 3160, 4024, 5030, 5080, 10033, 10060, 20066, 20120, 39737, 40132, 50165, 63881, 79474, 80264, 100330, 127762, 158948, 198685, 200660, 255524, 317896, 319405, 397370, 401320, 511048, 638810, 794740, 1277620, 1589480, 2555240, 5046599, 10093198, 20186396, 25232995, 40372792, 50465990, 100931980, 201863960]

約数ペア:

[(1, 201863960), (2, 100931980), (4, 50465990), (5, 40372792), (8, 25232995), (10, 20186396), (20, 10093198), (40, 5046599), (79, 2555240), (127, 1589480), (158, 1277620), (254, 794740), (316, 638810), (395, 511048), (503, 401320), (508, 397370), (632, 319405), (635, 317896), (790, 255524), (1006, 200660), (1016, 198685), (1270, 158948), (1580, 127762), (2012, 100330), (2515, 80264), (2540, 79474), (3160, 63881), (4024, 50165), (5030, 40132), (5080, 39737), (10033, 20120), (10060, 20066)]