1243940

素因数分解:

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

素因数の和:128

約数の個数: 36

約数和(自身を含む): 2749908

約数和(自身を除く): 1505968

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 740, 820, 1517, 1681, 3034, 3362, 6068, 6724, 7585, 8405, 15170, 16810, 30340, 33620, 62197, 124394, 248788, 310985, 621970, 1243940]

約数ペア:

[(1, 1243940), (2, 621970), (4, 310985), (5, 248788), (10, 124394), (20, 62197), (37, 33620), (41, 30340), (74, 16810), (82, 15170), (148, 8405), (164, 7585), (185, 6724), (205, 6068), (370, 3362), (410, 3034), (740, 1681), (820, 1517)]