208337640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248021}}^1$

素因数の和:248042

約数の個数: 64

約数和(自身を含む): 714303360

約数和(自身を除く): 505965720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 248021, 496042, 744063, 992084, 1240105, 1488126, 1736147, 1984168, 2480210, 2976252, 3472294, 3720315, 4960420, 5208441, 5952504, 6944588, 7440630, 8680735, 9920840, 10416882, 13889176, 14881260, 17361470, 20833764, 26042205, 29762520, 34722940, 41667528, 52084410, 69445880, 104168820, 208337640]

約数ペア:

[(1, 208337640), (2, 104168820), (3, 69445880), (4, 52084410), (5, 41667528), (6, 34722940), (7, 29762520), (8, 26042205), (10, 20833764), (12, 17361470), (14, 14881260), (15, 13889176), (20, 10416882), (21, 9920840), (24, 8680735), (28, 7440630), (30, 6944588), (35, 5952504), (40, 5208441), (42, 4960420), (56, 3720315), (60, 3472294), (70, 2976252), (84, 2480210), (105, 1984168), (120, 1736147), (140, 1488126), (168, 1240105), (210, 992084), (280, 744063), (420, 496042), (840, 248021)]