787903780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1\times {\mathrm{1453}}^1$

素因数の和:2908

約数の個数: 48

約数和(自身を含む): 1744102080

約数和(自身を除く): 956198300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1427, 1453, 2854, 2906, 5708, 5812, 7135, 7265, 14270, 14530, 27113, 27607, 28540, 29060, 54226, 55214, 108452, 110428, 135565, 138035, 271130, 276070, 542260, 552140, 2073431, 4146862, 8293724, 10367155, 20734310, 39395189, 41468620, 78790378, 157580756, 196975945, 393951890, 787903780]

約数ペア:

[(1, 787903780), (2, 393951890), (4, 196975945), (5, 157580756), (10, 78790378), (19, 41468620), (20, 39395189), (38, 20734310), (76, 10367155), (95, 8293724), (190, 4146862), (380, 2073431), (1427, 552140), (1453, 542260), (2854, 276070), (2906, 271130), (5708, 138035), (5812, 135565), (7135, 110428), (7265, 108452), (14270, 55214), (14530, 54226), (27113, 29060), (27607, 28540)]