204537690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3545

約数の個数: 128

約数和(自身を含む): 643645440

約数和(自身を除く): 439107750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1674, 1890, 1953, 2170, 2790, 3255, 3491, 3906, 4185, 5859, 6510, 6982, 8370, 9765, 10473, 11718, 17455, 19530, 20946, 24437, 29295, 31419, 34910, 48874, 52365, 58590, 62838, 73311, 94257, 104730, 108221, 122185, 146622, 157095, 188514, 216442, 219933, 244370, 314190, 324663, 366555, 439866, 471285, 541105, 649326, 659799, 733110, 757547, 942570, 973989, 1082210, 1099665, 1319598, 1515094, 1623315, 1947978, 2199330, 2272641, 2921967, 3246630, 3298995, 3787735, 4545282, 4869945, 5843934, 6597990, 6817923, 7575470, 9739890, 11363205, 13635846, 14609835, 20453769, 22726410, 29219670, 34089615, 40907538, 68179230, 102268845, 204537690]

約数ペア:

[(1, 204537690), (2, 102268845), (3, 68179230), (5, 40907538), (6, 34089615), (7, 29219670), (9, 22726410), (10, 20453769), (14, 14609835), (15, 13635846), (18, 11363205), (21, 9739890), (27, 7575470), (30, 6817923), (31, 6597990), (35, 5843934), (42, 4869945), (45, 4545282), (54, 3787735), (62, 3298995), (63, 3246630), (70, 2921967), (90, 2272641), (93, 2199330), (105, 1947978), (126, 1623315), (135, 1515094), (155, 1319598), (186, 1099665), (189, 1082210), (210, 973989), (217, 942570), (270, 757547), (279, 733110), (310, 659799), (315, 649326), (378, 541105), (434, 471285), (465, 439866), (558, 366555), (630, 324663), (651, 314190), (837, 244370), (930, 219933), (945, 216442), (1085, 188514), (1302, 157095), (1395, 146622), (1674, 122185), (1890, 108221), (1953, 104730), (2170, 94257), (2790, 73311), (3255, 62838), (3491, 58590), (3906, 52365), (4185, 48874), (5859, 34910), (6510, 31419), (6982, 29295), (8370, 24437), (9765, 20946), (10473, 19530), (11718, 17455)]