219486501875

素因数分解:

$5^4\times {\mathrm{61}}^1\times {\mathrm{5757023}}^1$

素因数の和:5757104

約数の個数: 20

約数和(自身を含む): 278766616128

約数和(自身を除く): 59280114253

約数列:

[1, 5, 25, 61, 125, 305, 625, 1525, 7625, 38125, 5757023, 28785115, 143925575, 351178403, 719627875, 1755892015, 3598139375, 8779460075, 43897300375, 219486501875]

約数ペア:

[(1, 219486501875), (5, 43897300375), (25, 8779460075), (61, 3598139375), (125, 1755892015), (305, 719627875), (625, 351178403), (1525, 143925575), (7625, 28785115), (38125, 5757023)]