790526620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{70709}}^1$

素因数の和:70774

約数の個数: 48

約数和(自身を含む): 1829409120

約数和(自身を除く): 1038882500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 70709, 141418, 282836, 353545, 707090, 919217, 1414180, 1838434, 3040487, 3676868, 4596085, 6080974, 9192170, 12161948, 15202435, 18384340, 30404870, 39526331, 60809740, 79052662, 158105324, 197631655, 395263310, 790526620]

約数ペア:

[(1, 790526620), (2, 395263310), (4, 197631655), (5, 158105324), (10, 79052662), (13, 60809740), (20, 39526331), (26, 30404870), (43, 18384340), (52, 15202435), (65, 12161948), (86, 9192170), (130, 6080974), (172, 4596085), (215, 3676868), (260, 3040487), (430, 1838434), (559, 1414180), (860, 919217), (1118, 707090), (2236, 353545), (2795, 282836), (5590, 141418), (11180, 70709)]