901362640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{489871}}^1$

素因数の和:489907

約数の個数: 40

約数和(自身を含む): 2186788608

約数和(自身を除く): 1285425968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 489871, 979742, 1959484, 2449355, 3918968, 4898710, 7837936, 9797420, 11267033, 19594840, 22534066, 39189680, 45068132, 56335165, 90136264, 112670330, 180272528, 225340660, 450681320, 901362640]

約数ペア:

[(1, 901362640), (2, 450681320), (4, 225340660), (5, 180272528), (8, 112670330), (10, 90136264), (16, 56335165), (20, 45068132), (23, 39189680), (40, 22534066), (46, 19594840), (80, 11267033), (92, 9797420), (115, 7837936), (184, 4898710), (230, 3918968), (368, 2449355), (460, 1959484), (920, 979742), (1840, 489871)]