90140140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2971}}^1$

素因数の和:3058

約数の個数: 48

約数和(自身を含む): 199219104

約数和(自身を除く): 109078964

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 740, 820, 1517, 2971, 3034, 5942, 6068, 7585, 11884, 14855, 15170, 29710, 30340, 59420, 109927, 121811, 219854, 243622, 439708, 487244, 549635, 609055, 1099270, 1218110, 2198540, 2436220, 4507007, 9014014, 18028028, 22535035, 45070070, 90140140]

約数ペア:

[(1, 90140140), (2, 45070070), (4, 22535035), (5, 18028028), (10, 9014014), (20, 4507007), (37, 2436220), (41, 2198540), (74, 1218110), (82, 1099270), (148, 609055), (164, 549635), (185, 487244), (205, 439708), (370, 243622), (410, 219854), (740, 121811), (820, 109927), (1517, 59420), (2971, 30340), (3034, 29710), (5942, 15170), (6068, 14855), (7585, 11884)]