1304620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 2949408

約数和(自身を除く): 1644788

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 43, 74, 82, 86, 148, 164, 172, 185, 205, 215, 370, 410, 430, 740, 820, 860, 1517, 1591, 1763, 3034, 3182, 3526, 6068, 6364, 7052, 7585, 7955, 8815, 15170, 15910, 17630, 30340, 31820, 35260, 65231, 130462, 260924, 326155, 652310, 1304620]

約数ペア:

[(1, 1304620), (2, 652310), (4, 326155), (5, 260924), (10, 130462), (20, 65231), (37, 35260), (41, 31820), (43, 30340), (74, 17630), (82, 15910), (86, 15170), (148, 8815), (164, 7955), (172, 7585), (185, 7052), (205, 6364), (215, 6068), (370, 3526), (410, 3182), (430, 3034), (740, 1763), (820, 1591), (860, 1517)]