209920020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{49277}}^1$

素因数の和:49360

約数の個数: 48

約数和(自身を含む): 596066688

約数和(自身を除く): 386146668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 49277, 98554, 147831, 197108, 246385, 295662, 492770, 591324, 739155, 985540, 1478310, 2956620, 3498667, 6997334, 10496001, 13994668, 17493335, 20992002, 34986670, 41984004, 52480005, 69973340, 104960010, 209920020]

約数ペア:

[(1, 209920020), (2, 104960010), (3, 69973340), (4, 52480005), (5, 41984004), (6, 34986670), (10, 20992002), (12, 17493335), (15, 13994668), (20, 10496001), (30, 6997334), (60, 3498667), (71, 2956620), (142, 1478310), (213, 985540), (284, 739155), (355, 591324), (426, 492770), (710, 295662), (852, 246385), (1065, 197108), (1420, 147831), (2130, 98554), (4260, 49277)]