201620491460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{875621}}^1$

素因数の和:876056

約数の個数: 48

約数和(自身を含む): 439106920560

約数和(自身を除く): 237486429100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 397, 580, 794, 1588, 1985, 3970, 7940, 11513, 23026, 46052, 57565, 115130, 230260, 875621, 1751242, 3502484, 4378105, 8756210, 17512420, 25393009, 50786018, 101572036, 126965045, 253930090, 347621537, 507860180, 695243074, 1390486148, 1738107685, 3476215370, 6952430740, 10081024573, 20162049146, 40324098292, 50405122865, 100810245730, 201620491460]

約数ペア:

[(1, 201620491460), (2, 100810245730), (4, 50405122865), (5, 40324098292), (10, 20162049146), (20, 10081024573), (29, 6952430740), (58, 3476215370), (116, 1738107685), (145, 1390486148), (290, 695243074), (397, 507860180), (580, 347621537), (794, 253930090), (1588, 126965045), (1985, 101572036), (3970, 50786018), (7940, 25393009), (11513, 17512420), (23026, 8756210), (46052, 4378105), (57565, 3502484), (115130, 1751242), (230260, 875621)]