289394740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{1609}}^1$

素因数の和:1681

約数の個数: 72

約数和(自身を含む): 673089480

約数和(自身を除く): 383694740

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 529, 782, 1058, 1564, 1609, 1955, 2116, 2645, 3218, 3910, 5290, 6436, 7820, 8045, 8993, 10580, 16090, 17986, 27353, 32180, 35972, 37007, 44965, 54706, 74014, 89930, 109412, 136765, 148028, 179860, 185035, 273530, 370070, 547060, 629119, 740140, 851161, 1258238, 1702322, 2516476, 3145595, 3404644, 4255805, 6291190, 8511610, 12582380, 14469737, 17023220, 28939474, 57878948, 72348685, 144697370, 289394740]

約数ペア:

[(1, 289394740), (2, 144697370), (4, 72348685), (5, 57878948), (10, 28939474), (17, 17023220), (20, 14469737), (23, 12582380), (34, 8511610), (46, 6291190), (68, 4255805), (85, 3404644), (92, 3145595), (115, 2516476), (170, 1702322), (230, 1258238), (340, 851161), (391, 740140), (460, 629119), (529, 547060), (782, 370070), (1058, 273530), (1564, 185035), (1609, 179860), (1955, 148028), (2116, 136765), (2645, 109412), (3218, 89930), (3910, 74014), (5290, 54706), (6436, 44965), (7820, 37007), (8045, 35972), (8993, 32180), (10580, 27353), (16090, 17986)]