210857960

素因数分解:

$2^3\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{2879}}^1$

素因数の和:4721

約数の個数: 32

約数和(自身を含む): 474854400

約数和(自身を除く): 263996440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1831, 2879, 3662, 5758, 7324, 9155, 11516, 14395, 14648, 18310, 23032, 28790, 36620, 57580, 73240, 115160, 5271449, 10542898, 21085796, 26357245, 42171592, 52714490, 105428980, 210857960]

約数ペア:

[(1, 210857960), (2, 105428980), (4, 52714490), (5, 42171592), (8, 26357245), (10, 21085796), (20, 10542898), (40, 5271449), (1831, 115160), (2879, 73240), (3662, 57580), (5758, 36620), (7324, 28790), (9155, 23032), (11516, 18310), (14395, 14648)]