2689450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:199

約数の個数: 36

約数和(自身を含む): 5314950

約数和(自身を除く): 2625500

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 149, 190, 298, 361, 475, 722, 745, 950, 1490, 1805, 2831, 3610, 3725, 5662, 7450, 9025, 14155, 18050, 28310, 53789, 70775, 107578, 141550, 268945, 537890, 1344725, 2689450]

約数ペア:

[(1, 2689450), (2, 1344725), (5, 537890), (10, 268945), (19, 141550), (25, 107578), (38, 70775), (50, 53789), (95, 28310), (149, 18050), (190, 14155), (298, 9025), (361, 7450), (475, 5662), (722, 3725), (745, 3610), (950, 2831), (1490, 1805)]