53339020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2557}}^1$

素因数の和:2722

約数の個数: 48

約数和(自身を含む): 128923200

約数和(自身を除く): 75584180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2557, 2980, 4172, 5114, 5215, 10228, 10430, 12785, 17899, 20860, 25570, 35798, 51140, 71596, 89495, 178990, 357980, 380993, 761986, 1523972, 1904965, 2666951, 3809930, 5333902, 7619860, 10667804, 13334755, 26669510, 53339020]

約数ペア:

[(1, 53339020), (2, 26669510), (4, 13334755), (5, 10667804), (7, 7619860), (10, 5333902), (14, 3809930), (20, 2666951), (28, 1904965), (35, 1523972), (70, 761986), (140, 380993), (149, 357980), (298, 178990), (596, 89495), (745, 71596), (1043, 51140), (1490, 35798), (2086, 25570), (2557, 20860), (2980, 17899), (4172, 12785), (5114, 10430), (5215, 10228)]