423872920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4327}}^1$

素因数の和:4448

約数の個数: 64

約数和(自身を含む): 997171200

約数和(自身を除く): 573298280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 2449, 3160, 4327, 4898, 8654, 9796, 12245, 17308, 19592, 21635, 24490, 34616, 43270, 48980, 86540, 97960, 134137, 173080, 268274, 341833, 536548, 670685, 683666, 1073096, 1341370, 1367332, 1709165, 2682740, 2734664, 3418330, 5365480, 6836660, 10596823, 13673320, 21193646, 42387292, 52984115, 84774584, 105968230, 211936460, 423872920]

約数ペア:

[(1, 423872920), (2, 211936460), (4, 105968230), (5, 84774584), (8, 52984115), (10, 42387292), (20, 21193646), (31, 13673320), (40, 10596823), (62, 6836660), (79, 5365480), (124, 3418330), (155, 2734664), (158, 2682740), (248, 1709165), (310, 1367332), (316, 1341370), (395, 1073096), (620, 683666), (632, 670685), (790, 536548), (1240, 341833), (1580, 268274), (2449, 173080), (3160, 134137), (4327, 97960), (4898, 86540), (8654, 48980), (9796, 43270), (12245, 34616), (17308, 24490), (19592, 21635)]