219962660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{3251}}^1$

素因数の和:3476

約数の個数: 48

約数和(自身を含む): 491702400

約数和(自身を除く): 271739740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 340, 398, 796, 995, 1990, 3251, 3383, 3980, 6502, 6766, 13004, 13532, 16255, 16915, 32510, 33830, 55267, 65020, 67660, 110534, 221068, 276335, 552670, 646949, 1105340, 1293898, 2587796, 3234745, 6469490, 10998133, 12938980, 21996266, 43992532, 54990665, 109981330, 219962660]

約数ペア:

[(1, 219962660), (2, 109981330), (4, 54990665), (5, 43992532), (10, 21996266), (17, 12938980), (20, 10998133), (34, 6469490), (68, 3234745), (85, 2587796), (170, 1293898), (199, 1105340), (340, 646949), (398, 552670), (796, 276335), (995, 221068), (1990, 110534), (3251, 67660), (3383, 65020), (3980, 55267), (6502, 33830), (6766, 32510), (13004, 16915), (13532, 16255)]