153906250

素因数分解:

$2^1\times 5^8\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 36

約数和(自身を含む): 290038914

約数和(自身を除く): 136132664

約数列:

[1, 2, 5, 10, 25, 50, 125, 197, 250, 394, 625, 985, 1250, 1970, 3125, 4925, 6250, 9850, 15625, 24625, 31250, 49250, 78125, 123125, 156250, 246250, 390625, 615625, 781250, 1231250, 3078125, 6156250, 15390625, 30781250, 76953125, 153906250]

約数ペア:

[(1, 153906250), (2, 76953125), (5, 30781250), (10, 15390625), (25, 6156250), (50, 3078125), (125, 1231250), (197, 781250), (250, 615625), (394, 390625), (625, 246250), (985, 156250), (1250, 123125), (1970, 78125), (3125, 49250), (4925, 31250), (6250, 24625), (9850, 15625)]