30411980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3889}}^1$

素因数の和:3938

約数の個数: 48

約数和(自身を含む): 70580160

約数和(自身を除く): 40168180

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3889, 3910, 7778, 7820, 15556, 19445, 38890, 66113, 77780, 89447, 132226, 178894, 264452, 330565, 357788, 447235, 661130, 894470, 1322260, 1520599, 1788940, 3041198, 6082396, 7602995, 15205990, 30411980]

約数ペア:

[(1, 30411980), (2, 15205990), (4, 7602995), (5, 6082396), (10, 3041198), (17, 1788940), (20, 1520599), (23, 1322260), (34, 894470), (46, 661130), (68, 447235), (85, 357788), (92, 330565), (115, 264452), (170, 178894), (230, 132226), (340, 89447), (391, 77780), (460, 66113), (782, 38890), (1564, 19445), (1955, 15556), (3889, 7820), (3910, 7778)]