2518220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 5630688

約数和(自身を除く): 3112468

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 83, 148, 164, 166, 185, 205, 332, 370, 410, 415, 740, 820, 830, 1517, 1660, 3034, 3071, 3403, 6068, 6142, 6806, 7585, 12284, 13612, 15170, 15355, 17015, 30340, 30710, 34030, 61420, 68060, 125911, 251822, 503644, 629555, 1259110, 2518220]

約数ペア:

[(1, 2518220), (2, 1259110), (4, 629555), (5, 503644), (10, 251822), (20, 125911), (37, 68060), (41, 61420), (74, 34030), (82, 30710), (83, 30340), (148, 17015), (164, 15355), (166, 15170), (185, 13612), (205, 12284), (332, 7585), (370, 6806), (410, 6142), (415, 6068), (740, 3403), (820, 3071), (830, 3034), (1517, 1660)]