220890320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4993}}^1$

素因数の和:5092

約数の個数: 80

約数和(自身を含む): 594485760

約数和(自身を除く): 373595440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 4993, 5530, 6320, 8848, 9986, 11060, 19972, 22120, 24965, 34951, 39944, 44240, 49930, 69902, 79888, 99860, 139804, 174755, 199720, 279608, 349510, 394447, 399440, 559216, 699020, 788894, 1398040, 1577788, 1972235, 2761129, 2796080, 3155576, 3944470, 5522258, 6311152, 7888940, 11044516, 13805645, 15777880, 22089032, 27611290, 31555760, 44178064, 55222580, 110445160, 220890320]

約数ペア:

[(1, 220890320), (2, 110445160), (4, 55222580), (5, 44178064), (7, 31555760), (8, 27611290), (10, 22089032), (14, 15777880), (16, 13805645), (20, 11044516), (28, 7888940), (35, 6311152), (40, 5522258), (56, 3944470), (70, 3155576), (79, 2796080), (80, 2761129), (112, 1972235), (140, 1577788), (158, 1398040), (280, 788894), (316, 699020), (395, 559216), (553, 399440), (560, 394447), (632, 349510), (790, 279608), (1106, 199720), (1264, 174755), (1580, 139804), (2212, 99860), (2765, 79888), (3160, 69902), (4424, 49930), (4993, 44240), (5530, 39944), (6320, 34951), (8848, 24965), (9986, 22120), (11060, 19972)]