391849480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11273}}^1$

素因数の和:11374

約数の個数: 64

約数和(自身を含む): 974073600

約数和(自身を除く): 582224120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 3160, 3476, 4345, 6952, 8690, 11273, 17380, 22546, 34760, 45092, 56365, 90184, 112730, 124003, 225460, 248006, 450920, 496012, 620015, 890567, 992024, 1240030, 1781134, 2480060, 3562268, 4452835, 4960120, 7124536, 8905670, 9796237, 17811340, 19592474, 35622680, 39184948, 48981185, 78369896, 97962370, 195924740, 391849480]

約数ペア:

[(1, 391849480), (2, 195924740), (4, 97962370), (5, 78369896), (8, 48981185), (10, 39184948), (11, 35622680), (20, 19592474), (22, 17811340), (40, 9796237), (44, 8905670), (55, 7124536), (79, 4960120), (88, 4452835), (110, 3562268), (158, 2480060), (220, 1781134), (316, 1240030), (395, 992024), (440, 890567), (632, 620015), (790, 496012), (869, 450920), (1580, 248006), (1738, 225460), (3160, 124003), (3476, 112730), (4345, 90184), (6952, 56365), (8690, 45092), (11273, 34760), (17380, 22546)]