199359420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{255589}}^1$

素因数の和:255614

約数の個数: 48

約数和(自身を含む): 601147680

約数和(自身を除く): 401788260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 255589, 511178, 766767, 1022356, 1277945, 1533534, 2555890, 3067068, 3322657, 3833835, 5111780, 6645314, 7667670, 9967971, 13290628, 15335340, 16613285, 19935942, 33226570, 39871884, 49839855, 66453140, 99679710, 199359420]

約数ペア:

[(1, 199359420), (2, 99679710), (3, 66453140), (4, 49839855), (5, 39871884), (6, 33226570), (10, 19935942), (12, 16613285), (13, 15335340), (15, 13290628), (20, 9967971), (26, 7667670), (30, 6645314), (39, 5111780), (52, 3833835), (60, 3322657), (65, 3067068), (78, 2555890), (130, 1533534), (156, 1277945), (195, 1022356), (260, 766767), (390, 511178), (780, 255589)]