866563630

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{2503}}^1$

素因数の和:2988

約数の個数: 32

約数和(自身を含む): 1582027200

約数和(自身を除く): 715463570

約数列:

[1, 2, 5, 10, 89, 178, 389, 445, 778, 890, 1945, 2503, 3890, 5006, 12515, 25030, 34621, 69242, 173105, 222767, 346210, 445534, 973667, 1113835, 1947334, 2227670, 4868335, 9736670, 86656363, 173312726, 433281815, 866563630]

約数ペア:

[(1, 866563630), (2, 433281815), (5, 173312726), (10, 86656363), (89, 9736670), (178, 4868335), (389, 2227670), (445, 1947334), (778, 1113835), (890, 973667), (1945, 445534), (2503, 346210), (3890, 222767), (5006, 173105), (12515, 69242), (25030, 34621)]