928996840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{3803}}^1$

素因数の和:4042

約数の個数: 64

約数和(自身を含む): 2169192960

約数和(自身を除く): 1240196120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 197, 248, 310, 394, 620, 788, 985, 1240, 1576, 1970, 3803, 3940, 6107, 7606, 7880, 12214, 15212, 19015, 24428, 30424, 30535, 38030, 48856, 61070, 76060, 117893, 122140, 152120, 235786, 244280, 471572, 589465, 749191, 943144, 1178930, 1498382, 2357860, 2996764, 3745955, 4715720, 5993528, 7491910, 14983820, 23224921, 29967640, 46449842, 92899684, 116124605, 185799368, 232249210, 464498420, 928996840]

約数ペア:

[(1, 928996840), (2, 464498420), (4, 232249210), (5, 185799368), (8, 116124605), (10, 92899684), (20, 46449842), (31, 29967640), (40, 23224921), (62, 14983820), (124, 7491910), (155, 5993528), (197, 4715720), (248, 3745955), (310, 2996764), (394, 2357860), (620, 1498382), (788, 1178930), (985, 943144), (1240, 749191), (1576, 589465), (1970, 471572), (3803, 244280), (3940, 235786), (6107, 152120), (7606, 122140), (7880, 117893), (12214, 76060), (15212, 61070), (19015, 48856), (24428, 38030), (30424, 30535)]