149717560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{821}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 348001920

約数和(自身を除く): 198284360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 97, 188, 194, 235, 376, 388, 470, 485, 776, 821, 940, 970, 1642, 1880, 1940, 3284, 3880, 4105, 4559, 6568, 8210, 9118, 16420, 18236, 22795, 32840, 36472, 38587, 45590, 77174, 79637, 91180, 154348, 159274, 182360, 192935, 308696, 318548, 385870, 398185, 637096, 771740, 796370, 1543480, 1592740, 3185480, 3742939, 7485878, 14971756, 18714695, 29943512, 37429390, 74858780, 149717560]

約数ペア:

[(1, 149717560), (2, 74858780), (4, 37429390), (5, 29943512), (8, 18714695), (10, 14971756), (20, 7485878), (40, 3742939), (47, 3185480), (94, 1592740), (97, 1543480), (188, 796370), (194, 771740), (235, 637096), (376, 398185), (388, 385870), (470, 318548), (485, 308696), (776, 192935), (821, 182360), (940, 159274), (970, 154348), (1642, 91180), (1880, 79637), (1940, 77174), (3284, 45590), (3880, 38587), (4105, 36472), (4559, 32840), (6568, 22795), (8210, 18236), (9118, 16420)]