380221520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{827}}^1$

素因数の和:1668

約数の個数: 80

約数和(自身を含む): 1012756608

約数和(自身を除く): 632535088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 821, 827, 1642, 1654, 3284, 3308, 4105, 4135, 5747, 5789, 6568, 6616, 8210, 8270, 11494, 11578, 13136, 13232, 16420, 16540, 22988, 23156, 28735, 28945, 32840, 33080, 45976, 46312, 57470, 57890, 65680, 66160, 91952, 92624, 114940, 115780, 229880, 231560, 459760, 463120, 678967, 1357934, 2715868, 3394835, 4752769, 5431736, 6789670, 9505538, 10863472, 13579340, 19011076, 23763845, 27158680, 38022152, 47527690, 54317360, 76044304, 95055380, 190110760, 380221520]

約数ペア:

[(1, 380221520), (2, 190110760), (4, 95055380), (5, 76044304), (7, 54317360), (8, 47527690), (10, 38022152), (14, 27158680), (16, 23763845), (20, 19011076), (28, 13579340), (35, 10863472), (40, 9505538), (56, 6789670), (70, 5431736), (80, 4752769), (112, 3394835), (140, 2715868), (280, 1357934), (560, 678967), (821, 463120), (827, 459760), (1642, 231560), (1654, 229880), (3284, 115780), (3308, 114940), (4105, 92624), (4135, 91952), (5747, 66160), (5789, 65680), (6568, 57890), (6616, 57470), (8210, 46312), (8270, 45976), (11494, 33080), (11578, 32840), (13136, 28945), (13232, 28735), (16420, 23156), (16540, 22988)]