398452020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{5081}}^1$

素因数の和:6400

約数の個数: 48

約数和(自身を含む): 1116739008

約数和(自身を除く): 718286988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1307, 2614, 3921, 5081, 5228, 6535, 7842, 10162, 13070, 15243, 15684, 19605, 20324, 25405, 26140, 30486, 39210, 50810, 60972, 76215, 78420, 101620, 152430, 304860, 6640867, 13281734, 19922601, 26563468, 33204335, 39845202, 66408670, 79690404, 99613005, 132817340, 199226010, 398452020]

約数ペア:

[(1, 398452020), (2, 199226010), (3, 132817340), (4, 99613005), (5, 79690404), (6, 66408670), (10, 39845202), (12, 33204335), (15, 26563468), (20, 19922601), (30, 13281734), (60, 6640867), (1307, 304860), (2614, 152430), (3921, 101620), (5081, 78420), (5228, 76215), (6535, 60972), (7842, 50810), (10162, 39210), (13070, 30486), (15243, 26140), (15684, 25405), (19605, 20324)]