128636300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1867}}^1$

素因数の和:1947

約数の個数: 72

約数和(自身を含む): 306449136

約数和(自身を除く): 177812836

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 212, 260, 265, 325, 530, 650, 689, 1060, 1300, 1325, 1378, 1867, 2650, 2756, 3445, 3734, 5300, 6890, 7468, 9335, 13780, 17225, 18670, 24271, 34450, 37340, 46675, 48542, 68900, 93350, 97084, 98951, 121355, 186700, 197902, 242710, 395804, 485420, 494755, 606775, 989510, 1213550, 1286363, 1979020, 2427100, 2473775, 2572726, 4947550, 5145452, 6431815, 9895100, 12863630, 25727260, 32159075, 64318150, 128636300]

約数ペア:

[(1, 128636300), (2, 64318150), (4, 32159075), (5, 25727260), (10, 12863630), (13, 9895100), (20, 6431815), (25, 5145452), (26, 4947550), (50, 2572726), (52, 2473775), (53, 2427100), (65, 1979020), (100, 1286363), (106, 1213550), (130, 989510), (212, 606775), (260, 494755), (265, 485420), (325, 395804), (530, 242710), (650, 197902), (689, 186700), (1060, 121355), (1300, 98951), (1325, 97084), (1378, 93350), (1867, 68900), (2650, 48542), (2756, 46675), (3445, 37340), (3734, 34450), (5300, 24271), (6890, 18670), (7468, 17225), (9335, 13780)]