503980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 1072512

約数和(自身を除く): 568532

約数列:

[1, 2, 4, 5, 10, 20, 113, 223, 226, 446, 452, 565, 892, 1115, 1130, 2230, 2260, 4460, 25199, 50398, 100796, 125995, 251990, 503980]

約数ペア:

[(1, 503980), (2, 251990), (4, 125995), (5, 100796), (10, 50398), (20, 25199), (113, 4460), (223, 2260), (226, 2230), (446, 1130), (452, 1115), (565, 892)]