218965780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 536481792

約数和(自身を除く): 317516012

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 127, 170, 187, 220, 254, 340, 374, 461, 508, 635, 748, 922, 935, 1270, 1397, 1844, 1870, 2159, 2305, 2540, 2794, 3740, 4318, 4610, 5071, 5588, 6985, 7837, 8636, 9220, 10142, 10795, 13970, 15674, 20284, 21590, 23749, 25355, 27940, 31348, 39185, 43180, 47498, 50710, 58547, 78370, 86207, 94996, 101420, 117094, 118745, 156740, 172414, 234188, 237490, 292735, 344828, 431035, 474980, 585470, 644017, 862070, 995299, 1170940, 1288034, 1724140, 1990598, 2576068, 3220085, 3981196, 4976495, 6440170, 9952990, 10948289, 12880340, 19905980, 21896578, 43793156, 54741445, 109482890, 218965780]

約数ペア:

[(1, 218965780), (2, 109482890), (4, 54741445), (5, 43793156), (10, 21896578), (11, 19905980), (17, 12880340), (20, 10948289), (22, 9952990), (34, 6440170), (44, 4976495), (55, 3981196), (68, 3220085), (85, 2576068), (110, 1990598), (127, 1724140), (170, 1288034), (187, 1170940), (220, 995299), (254, 862070), (340, 644017), (374, 585470), (461, 474980), (508, 431035), (635, 344828), (748, 292735), (922, 237490), (935, 234188), (1270, 172414), (1397, 156740), (1844, 118745), (1870, 117094), (2159, 101420), (2305, 94996), (2540, 86207), (2794, 78370), (3740, 58547), (4318, 50710), (4610, 47498), (5071, 43180), (5588, 39185), (6985, 31348), (7837, 27940), (8636, 25355), (9220, 23749), (10142, 21590), (10795, 20284), (13970, 15674)]