421942100

素因数分解:

$2^2\times 5^2\times {\mathrm{1279}}^1\times {\mathrm{3299}}^1$

素因数の和:4592

約数の個数: 36

約数和(自身を含む): 916608000

約数和(自身を除く): 494665900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1279, 2558, 3299, 5116, 6395, 6598, 12790, 13196, 16495, 25580, 31975, 32990, 63950, 65980, 82475, 127900, 164950, 329900, 4219421, 8438842, 16877684, 21097105, 42194210, 84388420, 105485525, 210971050, 421942100]

約数ペア:

[(1, 421942100), (2, 210971050), (4, 105485525), (5, 84388420), (10, 42194210), (20, 21097105), (25, 16877684), (50, 8438842), (100, 4219421), (1279, 329900), (2558, 164950), (3299, 127900), (5116, 82475), (6395, 65980), (6598, 63950), (12790, 32990), (13196, 31975), (16495, 25580)]