66899800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 173560320

約数和(自身を除く): 106660520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 47, 50, 55, 88, 94, 100, 110, 188, 200, 220, 235, 275, 376, 440, 470, 517, 550, 647, 940, 1034, 1100, 1175, 1294, 1880, 2068, 2200, 2350, 2585, 2588, 3235, 4136, 4700, 5170, 5176, 6470, 7117, 9400, 10340, 12925, 12940, 14234, 16175, 20680, 25850, 25880, 28468, 30409, 32350, 35585, 51700, 56936, 60818, 64700, 71170, 103400, 121636, 129400, 142340, 152045, 177925, 243272, 284680, 304090, 334499, 355850, 608180, 668998, 711700, 760225, 1216360, 1337996, 1423400, 1520450, 1672495, 2675992, 3040900, 3344990, 6081800, 6689980, 8362475, 13379960, 16724950, 33449900, 66899800]

約数ペア:

[(1, 66899800), (2, 33449900), (4, 16724950), (5, 13379960), (8, 8362475), (10, 6689980), (11, 6081800), (20, 3344990), (22, 3040900), (25, 2675992), (40, 1672495), (44, 1520450), (47, 1423400), (50, 1337996), (55, 1216360), (88, 760225), (94, 711700), (100, 668998), (110, 608180), (188, 355850), (200, 334499), (220, 304090), (235, 284680), (275, 243272), (376, 177925), (440, 152045), (470, 142340), (517, 129400), (550, 121636), (647, 103400), (940, 71170), (1034, 64700), (1100, 60818), (1175, 56936), (1294, 51700), (1880, 35585), (2068, 32350), (2200, 30409), (2350, 28468), (2585, 25880), (2588, 25850), (3235, 20680), (4136, 16175), (4700, 14234), (5170, 12940), (5176, 12925), (6470, 10340), (7117, 9400)]