289144880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{307}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 689060064

約数和(自身を除く): 399915184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 193, 244, 305, 307, 386, 488, 610, 614, 772, 965, 976, 1220, 1228, 1535, 1544, 1930, 2440, 2456, 3070, 3088, 3860, 4880, 4912, 6140, 7720, 11773, 12280, 15440, 18727, 23546, 24560, 37454, 47092, 58865, 59251, 74908, 93635, 94184, 117730, 118502, 149816, 187270, 188368, 235460, 237004, 296255, 299632, 374540, 470920, 474008, 592510, 749080, 941840, 948016, 1185020, 1498160, 2370040, 3614311, 4740080, 7228622, 14457244, 18071555, 28914488, 36143110, 57828976, 72286220, 144572440, 289144880]

約数ペア:

[(1, 289144880), (2, 144572440), (4, 72286220), (5, 57828976), (8, 36143110), (10, 28914488), (16, 18071555), (20, 14457244), (40, 7228622), (61, 4740080), (80, 3614311), (122, 2370040), (193, 1498160), (244, 1185020), (305, 948016), (307, 941840), (386, 749080), (488, 592510), (610, 474008), (614, 470920), (772, 374540), (965, 299632), (976, 296255), (1220, 237004), (1228, 235460), (1535, 188368), (1544, 187270), (1930, 149816), (2440, 118502), (2456, 117730), (3070, 94184), (3088, 93635), (3860, 74908), (4880, 59251), (4912, 58865), (6140, 47092), (7720, 37454), (11773, 24560), (12280, 23546), (15440, 18727)]