421171600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:533

約数の個数: 120

約数和(自身を含む): 1080017928

約数和(自身を除く): 658846328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 241, 257, 272, 340, 400, 425, 482, 514, 680, 850, 964, 1028, 1205, 1285, 1360, 1700, 1928, 2056, 2410, 2570, 3400, 3856, 4097, 4112, 4369, 4820, 5140, 6025, 6425, 6800, 8194, 8738, 9640, 10280, 12050, 12850, 16388, 17476, 19280, 20485, 20560, 21845, 24100, 25700, 32776, 34952, 40970, 43690, 48200, 51400, 61937, 65552, 69904, 81940, 87380, 96400, 102425, 102800, 109225, 123874, 163880, 174760, 204850, 218450, 247748, 309685, 327760, 349520, 409700, 436900, 495496, 619370, 819400, 873800, 990992, 1052929, 1238740, 1548425, 1638800, 1747600, 2105858, 2477480, 3096850, 4211716, 4954960, 5264645, 6193700, 8423432, 10529290, 12387400, 16846864, 21058580, 24774800, 26323225, 42117160, 52646450, 84234320, 105292900, 210585800, 421171600]

約数ペア:

[(1, 421171600), (2, 210585800), (4, 105292900), (5, 84234320), (8, 52646450), (10, 42117160), (16, 26323225), (17, 24774800), (20, 21058580), (25, 16846864), (34, 12387400), (40, 10529290), (50, 8423432), (68, 6193700), (80, 5264645), (85, 4954960), (100, 4211716), (136, 3096850), (170, 2477480), (200, 2105858), (241, 1747600), (257, 1638800), (272, 1548425), (340, 1238740), (400, 1052929), (425, 990992), (482, 873800), (514, 819400), (680, 619370), (850, 495496), (964, 436900), (1028, 409700), (1205, 349520), (1285, 327760), (1360, 309685), (1700, 247748), (1928, 218450), (2056, 204850), (2410, 174760), (2570, 163880), (3400, 123874), (3856, 109225), (4097, 102800), (4112, 102425), (4369, 96400), (4820, 87380), (5140, 81940), (6025, 69904), (6425, 65552), (6800, 61937), (8194, 51400), (8738, 48200), (9640, 43690), (10280, 40970), (12050, 34952), (12850, 32776), (16388, 25700), (17476, 24100), (19280, 21845), (20485, 20560)]