220122440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1699}}^1$

素因数の和:1830

約数の個数: 64

約数和(自身を含む): 514080000

約数和(自身を除く): 293957560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 205, 316, 328, 395, 410, 632, 790, 820, 1580, 1640, 1699, 3160, 3239, 3398, 6478, 6796, 8495, 12956, 13592, 16195, 16990, 25912, 32390, 33980, 64780, 67960, 69659, 129560, 134221, 139318, 268442, 278636, 348295, 536884, 557272, 671105, 696590, 1073768, 1342210, 1393180, 2684420, 2786360, 5368840, 5503061, 11006122, 22012244, 27515305, 44024488, 55030610, 110061220, 220122440]

約数ペア:

[(1, 220122440), (2, 110061220), (4, 55030610), (5, 44024488), (8, 27515305), (10, 22012244), (20, 11006122), (40, 5503061), (41, 5368840), (79, 2786360), (82, 2684420), (158, 1393180), (164, 1342210), (205, 1073768), (316, 696590), (328, 671105), (395, 557272), (410, 536884), (632, 348295), (790, 278636), (820, 268442), (1580, 139318), (1640, 134221), (1699, 129560), (3160, 69659), (3239, 67960), (3398, 64780), (6478, 33980), (6796, 32390), (8495, 25912), (12956, 16990), (13592, 16195)]