154428250

素因数分解:

$2^1\times 5^3\times {\mathrm{557}}^1\times {\mathrm{1109}}^1$

素因数の和:1683

約数の個数: 32

約数和(自身を含む): 289869840

約数和(自身を除く): 135441590

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 557, 1109, 1114, 2218, 2785, 5545, 5570, 11090, 13925, 27725, 27850, 55450, 69625, 138625, 139250, 277250, 617713, 1235426, 3088565, 6177130, 15442825, 30885650, 77214125, 154428250]

約数ペア:

[(1, 154428250), (2, 77214125), (5, 30885650), (10, 15442825), (25, 6177130), (50, 3088565), (125, 1235426), (250, 617713), (557, 277250), (1109, 139250), (1114, 138625), (2218, 69625), (2785, 55450), (5545, 27850), (5570, 27725), (11090, 13925)]