200837620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{164621}}^1$

素因数の和:164691

約数の個数: 24

約数和(自身を含む): 428675688

約数和(自身を除く): 227838068

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 164621, 329242, 658484, 823105, 1646210, 3292420, 10041881, 20083762, 40167524, 50209405, 100418810, 200837620]

約数ペア:

[(1, 200837620), (2, 100418810), (4, 50209405), (5, 40167524), (10, 20083762), (20, 10041881), (61, 3292420), (122, 1646210), (244, 823105), (305, 658484), (610, 329242), (1220, 164621)]