203666420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{1399}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 444528000

約数和(自身を除く): 240861580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 251, 290, 502, 580, 1004, 1255, 1399, 2510, 2798, 5020, 5596, 6995, 7279, 13990, 14558, 27980, 29116, 36395, 40571, 72790, 81142, 145580, 162284, 202855, 351149, 405710, 702298, 811420, 1404596, 1755745, 3511490, 7022980, 10183321, 20366642, 40733284, 50916605, 101833210, 203666420]

約数ペア:

[(1, 203666420), (2, 101833210), (4, 50916605), (5, 40733284), (10, 20366642), (20, 10183321), (29, 7022980), (58, 3511490), (116, 1755745), (145, 1404596), (251, 811420), (290, 702298), (502, 405710), (580, 351149), (1004, 202855), (1255, 162284), (1399, 145580), (2510, 81142), (2798, 72790), (5020, 40571), (5596, 36395), (6995, 29116), (7279, 27980), (13990, 14558)]