201568380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258421}}^1$

素因数の和:258446

約数の個数: 48

約数和(自身を含む): 607808544

約数和(自身を除く): 406240164

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, 258421, 516842, 775263, 1033684, 1292105, 1550526, 2584210, 3101052, 3359473, 3876315, 5168420, 6718946, 7752630, 10078419, 13437892, 15505260, 16797365, 20156838, 33594730, 40313676, 50392095, 67189460, 100784190, 201568380]

約数ペア:

[(1, 201568380), (2, 100784190), (3, 67189460), (4, 50392095), (5, 40313676), (6, 33594730), (10, 20156838), (12, 16797365), (13, 15505260), (15, 13437892), (20, 10078419), (26, 7752630), (30, 6718946), (39, 5168420), (52, 3876315), (60, 3359473), (65, 3101052), (78, 2584210), (130, 1550526), (156, 1292105), (195, 1033684), (260, 775263), (390, 516842), (780, 258421)]