1399006940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1146727}}^1$

素因数の和:1146797

約数の個数: 24

約数和(自身を含む): 2986079712

約数和(自身を除く): 1587072772

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1146727, 2293454, 4586908, 5733635, 11467270, 22934540, 69950347, 139900694, 279801388, 349751735, 699503470, 1399006940]

約数ペア:

[(1, 1399006940), (2, 699503470), (4, 349751735), (5, 279801388), (10, 139900694), (20, 69950347), (61, 22934540), (122, 11467270), (244, 5733635), (305, 4586908), (610, 2293454), (1220, 1146727)]