87040900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 202348160

約数和(自身を除く): 115307260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 244, 305, 380, 475, 610, 751, 950, 1159, 1220, 1502, 1525, 1900, 2318, 3004, 3050, 3755, 4636, 5795, 6100, 7510, 11590, 14269, 15020, 18775, 23180, 28538, 28975, 37550, 45811, 57076, 57950, 71345, 75100, 91622, 115900, 142690, 183244, 229055, 285380, 356725, 458110, 713450, 870409, 916220, 1145275, 1426900, 1740818, 2290550, 3481636, 4352045, 4581100, 8704090, 17408180, 21760225, 43520450, 87040900]

約数ペア:

[(1, 87040900), (2, 43520450), (4, 21760225), (5, 17408180), (10, 8704090), (19, 4581100), (20, 4352045), (25, 3481636), (38, 2290550), (50, 1740818), (61, 1426900), (76, 1145275), (95, 916220), (100, 870409), (122, 713450), (190, 458110), (244, 356725), (305, 285380), (380, 229055), (475, 183244), (610, 142690), (751, 115900), (950, 91622), (1159, 75100), (1220, 71345), (1502, 57950), (1525, 57076), (1900, 45811), (2318, 37550), (3004, 28975), (3050, 28538), (3755, 23180), (4636, 18775), (5795, 15020), (6100, 14269), (7510, 11590)]