2619420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 7408800

約数和(自身を除く): 4789380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 293, 298, 447, 586, 596, 745, 879, 894, 1172, 1465, 1490, 1758, 1788, 2235, 2930, 2980, 3516, 4395, 4470, 5860, 8790, 8940, 17580, 43657, 87314, 130971, 174628, 218285, 261942, 436570, 523884, 654855, 873140, 1309710, 2619420]

約数ペア:

[(1, 2619420), (2, 1309710), (3, 873140), (4, 654855), (5, 523884), (6, 436570), (10, 261942), (12, 218285), (15, 174628), (20, 130971), (30, 87314), (60, 43657), (149, 17580), (293, 8940), (298, 8790), (447, 5860), (586, 4470), (596, 4395), (745, 3516), (879, 2980), (894, 2930), (1172, 2235), (1465, 1788), (1490, 1758)]