381151760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1091}}^1$

素因数の和:1512

約数の個数: 80

約数和(自身を含む): 970062912

約数和(自身を除く): 588911152

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 397, 440, 794, 880, 1091, 1588, 1985, 2182, 3176, 3970, 4364, 4367, 5455, 6352, 7940, 8728, 8734, 10910, 12001, 15880, 17456, 17468, 21820, 21835, 24002, 31760, 34936, 43640, 43670, 48004, 60005, 69872, 87280, 87340, 96008, 120010, 174680, 192016, 240020, 349360, 433127, 480040, 866254, 960080, 1732508, 2165635, 3465016, 4331270, 4764397, 6930032, 8662540, 9528794, 17325080, 19057588, 23821985, 34650160, 38115176, 47643970, 76230352, 95287940, 190575880, 381151760]

約数ペア:

[(1, 381151760), (2, 190575880), (4, 95287940), (5, 76230352), (8, 47643970), (10, 38115176), (11, 34650160), (16, 23821985), (20, 19057588), (22, 17325080), (40, 9528794), (44, 8662540), (55, 6930032), (80, 4764397), (88, 4331270), (110, 3465016), (176, 2165635), (220, 1732508), (397, 960080), (440, 866254), (794, 480040), (880, 433127), (1091, 349360), (1588, 240020), (1985, 192016), (2182, 174680), (3176, 120010), (3970, 96008), (4364, 87340), (4367, 87280), (5455, 69872), (6352, 60005), (7940, 48004), (8728, 43670), (8734, 43640), (10910, 34936), (12001, 31760), (15880, 24002), (17456, 21835), (17468, 21820)]