404440570

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{2029}}^1$

素因数の和:2710

約数の個数: 32

約数和(自身を含む): 753016320

約数和(自身を除く): 348575750

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 643, 1286, 2029, 3215, 4058, 6430, 10145, 19933, 20290, 39866, 62899, 99665, 125798, 199330, 314495, 628990, 1304647, 2609294, 6523235, 13046470, 40444057, 80888114, 202220285, 404440570]

約数ペア:

[(1, 404440570), (2, 202220285), (5, 80888114), (10, 40444057), (31, 13046470), (62, 6523235), (155, 2609294), (310, 1304647), (643, 628990), (1286, 314495), (2029, 199330), (3215, 125798), (4058, 99665), (6430, 62899), (10145, 39866), (19933, 20290)]