198351400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{76289}}^1$

素因数の和:76318

約数の個数: 48

約数和(自身を含む): 496647900

約数和(自身を除く): 298296500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 76289, 152578, 305156, 381445, 610312, 762890, 991757, 1525780, 1907225, 1983514, 3051560, 3814450, 3967028, 4958785, 7628900, 7934056, 9917570, 15257800, 19835140, 24793925, 39670280, 49587850, 99175700, 198351400]

約数ペア:

[(1, 198351400), (2, 99175700), (4, 49587850), (5, 39670280), (8, 24793925), (10, 19835140), (13, 15257800), (20, 9917570), (25, 7934056), (26, 7628900), (40, 4958785), (50, 3967028), (52, 3814450), (65, 3051560), (100, 1983514), (104, 1907225), (130, 1525780), (200, 991757), (260, 762890), (325, 610312), (520, 381445), (650, 305156), (1300, 152578), (2600, 76289)]