428403020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{578923}}^1$

素因数の和:578969

約数の個数: 24

約数和(自身を含む): 923962704

約数和(自身を除く): 495559684

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 578923, 1157846, 2315692, 2894615, 5789230, 11578460, 21420151, 42840302, 85680604, 107100755, 214201510, 428403020]

約数ペア:

[(1, 428403020), (2, 214201510), (4, 107100755), (5, 85680604), (10, 42840302), (20, 21420151), (37, 11578460), (74, 5789230), (148, 2894615), (185, 2315692), (370, 1157846), (740, 578923)]