320199250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 744007680

約数和(自身を除く): 423808430

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 47, 50, 70, 85, 94, 119, 125, 170, 175, 229, 235, 238, 250, 329, 350, 425, 458, 470, 595, 658, 799, 850, 875, 1145, 1175, 1190, 1598, 1603, 1645, 1750, 2125, 2290, 2350, 2975, 3206, 3290, 3893, 3995, 4250, 5593, 5725, 5875, 5950, 7786, 7990, 8015, 8225, 10763, 11186, 11450, 11750, 14875, 16030, 16450, 19465, 19975, 21526, 27251, 27965, 28625, 29750, 38930, 39950, 40075, 41125, 53815, 54502, 55930, 57250, 75341, 80150, 82250, 97325, 99875, 107630, 136255, 139825, 150682, 182971, 194650, 199750, 200375, 269075, 272510, 279650, 365942, 376705, 400750, 486625, 538150, 681275, 699125, 753410, 914855, 973250, 1280797, 1345375, 1362550, 1398250, 1829710, 1883525, 2561594, 2690750, 3406375, 3767050, 4574275, 6403985, 6812750, 9148550, 9417625, 12807970, 18835250, 22871375, 32019925, 45742750, 64039850, 160099625, 320199250]

約数ペア:

[(1, 320199250), (2, 160099625), (5, 64039850), (7, 45742750), (10, 32019925), (14, 22871375), (17, 18835250), (25, 12807970), (34, 9417625), (35, 9148550), (47, 6812750), (50, 6403985), (70, 4574275), (85, 3767050), (94, 3406375), (119, 2690750), (125, 2561594), (170, 1883525), (175, 1829710), (229, 1398250), (235, 1362550), (238, 1345375), (250, 1280797), (329, 973250), (350, 914855), (425, 753410), (458, 699125), (470, 681275), (595, 538150), (658, 486625), (799, 400750), (850, 376705), (875, 365942), (1145, 279650), (1175, 272510), (1190, 269075), (1598, 200375), (1603, 199750), (1645, 194650), (1750, 182971), (2125, 150682), (2290, 139825), (2350, 136255), (2975, 107630), (3206, 99875), (3290, 97325), (3893, 82250), (3995, 80150), (4250, 75341), (5593, 57250), (5725, 55930), (5875, 54502), (5950, 53815), (7786, 41125), (7990, 40075), (8015, 39950), (8225, 38930), (10763, 29750), (11186, 28625), (11450, 27965), (11750, 27251), (14875, 21526), (16030, 19975), (16450, 19465)]