30479440

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2557}}^1$

素因数の和:2719

約数の個数: 40

約数和(自身を含む): 71368200

約数和(自身を除く): 40888760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2557, 2980, 5114, 5960, 10228, 11920, 12785, 20456, 25570, 40912, 51140, 102280, 204560, 380993, 761986, 1523972, 1904965, 3047944, 3809930, 6095888, 7619860, 15239720, 30479440]

約数ペア:

[(1, 30479440), (2, 15239720), (4, 7619860), (5, 6095888), (8, 3809930), (10, 3047944), (16, 1904965), (20, 1523972), (40, 761986), (80, 380993), (149, 204560), (298, 102280), (596, 51140), (745, 40912), (1192, 25570), (1490, 20456), (2384, 12785), (2557, 11920), (2980, 10228), (5114, 5960)]