90481400

素因数分解:

$2^3\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1163}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 211091400

約数和(自身を除く): 120610000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 389, 778, 1163, 1556, 1945, 2326, 3112, 3890, 4652, 5815, 7780, 9304, 9725, 11630, 15560, 19450, 23260, 29075, 38900, 46520, 58150, 77800, 116300, 232600, 452407, 904814, 1809628, 2262035, 3619256, 4524070, 9048140, 11310175, 18096280, 22620350, 45240700, 90481400]

約数ペア:

[(1, 90481400), (2, 45240700), (4, 22620350), (5, 18096280), (8, 11310175), (10, 9048140), (20, 4524070), (25, 3619256), (40, 2262035), (50, 1809628), (100, 904814), (200, 452407), (389, 232600), (778, 116300), (1163, 77800), (1556, 58150), (1945, 46520), (2326, 38900), (3112, 29075), (3890, 23260), (4652, 19450), (5815, 15560), (7780, 11630), (9304, 9725)]