89017660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3209}}^1$

素因数の和:3310

約数の個数: 48

約数和(自身を含む): 199533600

約数和(自身を除く): 110515940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 3209, 5548, 6418, 6935, 12836, 13870, 16045, 27740, 32090, 60971, 64180, 121942, 234257, 243884, 304855, 468514, 609710, 937028, 1171285, 1219420, 2342570, 4450883, 4685140, 8901766, 17803532, 22254415, 44508830, 89017660]

約数ペア:

[(1, 89017660), (2, 44508830), (4, 22254415), (5, 17803532), (10, 8901766), (19, 4685140), (20, 4450883), (38, 2342570), (73, 1219420), (76, 1171285), (95, 937028), (146, 609710), (190, 468514), (292, 304855), (365, 243884), (380, 234257), (730, 121942), (1387, 64180), (1460, 60971), (2774, 32090), (3209, 27740), (5548, 16045), (6418, 13870), (6935, 12836)]