636786800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1051

約数の個数: 120

約数和(自身を含む): 1661299920

約数和(自身を除く): 1024513120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 139, 200, 208, 260, 278, 325, 400, 520, 556, 650, 695, 881, 1040, 1112, 1300, 1390, 1762, 1807, 2224, 2600, 2780, 3475, 3524, 3614, 4405, 5200, 5560, 6950, 7048, 7228, 8810, 9035, 11120, 11453, 13900, 14096, 14456, 17620, 18070, 22025, 22906, 27800, 28912, 35240, 36140, 44050, 45175, 45812, 55600, 57265, 70480, 72280, 88100, 90350, 91624, 114530, 122459, 144560, 176200, 180700, 183248, 229060, 244918, 286325, 352400, 361400, 458120, 489836, 572650, 612295, 722800, 916240, 979672, 1145300, 1224590, 1591967, 1959344, 2290600, 2449180, 3061475, 3183934, 4581200, 4898360, 6122950, 6367868, 7959835, 9796720, 12245900, 12735736, 15919670, 24491800, 25471472, 31839340, 39799175, 48983600, 63678680, 79598350, 127357360, 159196700, 318393400, 636786800]

約数ペア:

[(1, 636786800), (2, 318393400), (4, 159196700), (5, 127357360), (8, 79598350), (10, 63678680), (13, 48983600), (16, 39799175), (20, 31839340), (25, 25471472), (26, 24491800), (40, 15919670), (50, 12735736), (52, 12245900), (65, 9796720), (80, 7959835), (100, 6367868), (104, 6122950), (130, 4898360), (139, 4581200), (200, 3183934), (208, 3061475), (260, 2449180), (278, 2290600), (325, 1959344), (400, 1591967), (520, 1224590), (556, 1145300), (650, 979672), (695, 916240), (881, 722800), (1040, 612295), (1112, 572650), (1300, 489836), (1390, 458120), (1762, 361400), (1807, 352400), (2224, 286325), (2600, 244918), (2780, 229060), (3475, 183248), (3524, 180700), (3614, 176200), (4405, 144560), (5200, 122459), (5560, 114530), (6950, 91624), (7048, 90350), (7228, 88100), (8810, 72280), (9035, 70480), (11120, 57265), (11453, 55600), (13900, 45812), (14096, 45175), (14456, 44050), (17620, 36140), (18070, 35240), (22025, 28912), (22906, 27800)]