1965400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 4731840

約数和(自身を除く): 2766440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 317, 620, 634, 775, 1240, 1268, 1550, 1585, 2536, 3100, 3170, 6200, 6340, 7925, 9827, 12680, 15850, 19654, 31700, 39308, 49135, 63400, 78616, 98270, 196540, 245675, 393080, 491350, 982700, 1965400]

約数ペア:

[(1, 1965400), (2, 982700), (4, 491350), (5, 393080), (8, 245675), (10, 196540), (20, 98270), (25, 78616), (31, 63400), (40, 49135), (50, 39308), (62, 31700), (100, 19654), (124, 15850), (155, 12680), (200, 9827), (248, 7925), (310, 6340), (317, 6200), (620, 3170), (634, 3100), (775, 2536), (1240, 1585), (1268, 1550)]