402405560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{881}}^1$

素因数の和:1512

約数の個数: 64

約数和(自身を含む): 955735200

約数和(自身を除く): 553329640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 601, 760, 881, 1202, 1762, 2404, 3005, 3524, 4405, 4808, 6010, 7048, 8810, 11419, 12020, 16739, 17620, 22838, 24040, 33478, 35240, 45676, 57095, 66956, 83695, 91352, 114190, 133912, 167390, 228380, 334780, 456760, 529481, 669560, 1058962, 2117924, 2647405, 4235848, 5294810, 10060139, 10589620, 20120278, 21179240, 40240556, 50300695, 80481112, 100601390, 201202780, 402405560]

約数ペア:

[(1, 402405560), (2, 201202780), (4, 100601390), (5, 80481112), (8, 50300695), (10, 40240556), (19, 21179240), (20, 20120278), (38, 10589620), (40, 10060139), (76, 5294810), (95, 4235848), (152, 2647405), (190, 2117924), (380, 1058962), (601, 669560), (760, 529481), (881, 456760), (1202, 334780), (1762, 228380), (2404, 167390), (3005, 133912), (3524, 114190), (4405, 91352), (4808, 83695), (6010, 66956), (7048, 57095), (8810, 45676), (11419, 35240), (12020, 33478), (16739, 24040), (17620, 22838)]