718936840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{1459}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 1648281600

約数和(自身を除く): 929344760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 127, 194, 254, 388, 485, 508, 635, 776, 970, 1016, 1270, 1459, 1940, 2540, 2918, 3880, 5080, 5836, 7295, 11672, 12319, 14590, 24638, 29180, 49276, 58360, 61595, 98552, 123190, 141523, 185293, 246380, 283046, 370586, 492760, 566092, 707615, 741172, 926465, 1132184, 1415230, 1482344, 1852930, 2830460, 3705860, 5660920, 7411720, 17973421, 35946842, 71893684, 89867105, 143787368, 179734210, 359468420, 718936840]

約数ペア:

[(1, 718936840), (2, 359468420), (4, 179734210), (5, 143787368), (8, 89867105), (10, 71893684), (20, 35946842), (40, 17973421), (97, 7411720), (127, 5660920), (194, 3705860), (254, 2830460), (388, 1852930), (485, 1482344), (508, 1415230), (635, 1132184), (776, 926465), (970, 741172), (1016, 707615), (1270, 566092), (1459, 492760), (1940, 370586), (2540, 283046), (2918, 246380), (3880, 185293), (5080, 141523), (5836, 123190), (7295, 98552), (11672, 61595), (12319, 58360), (14590, 49276), (24638, 29180)]