309968140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{911671}}^1$

素因数の和:911697

約数の個数: 24

約数和(自身を含む): 689224032

約数和(自身を除く): 379255892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 911671, 1823342, 3646684, 4558355, 9116710, 15498407, 18233420, 30996814, 61993628, 77492035, 154984070, 309968140]

約数ペア:

[(1, 309968140), (2, 154984070), (4, 77492035), (5, 61993628), (10, 30996814), (17, 18233420), (20, 15498407), (34, 9116710), (68, 4558355), (85, 3646684), (170, 1823342), (340, 911671)]