287381875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{41801}}^1$

素因数の和:41832

約数の個数: 20

約数和(自身を含む): 391768344

約数和(自身を除く): 104386469

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 6875, 41801, 209005, 459811, 1045025, 2299055, 5225125, 11495275, 26125625, 57476375, 287381875]

約数ペア:

[(1, 287381875), (5, 57476375), (11, 26125625), (25, 11495275), (55, 5225125), (125, 2299055), (275, 1045025), (625, 459811), (1375, 209005), (6875, 41801)]