28214220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 84672000

約数和(自身を除く): 56457780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 139, 170, 199, 204, 255, 278, 340, 398, 417, 510, 556, 597, 695, 796, 834, 995, 1020, 1194, 1390, 1668, 1990, 2085, 2363, 2388, 2780, 2985, 3383, 3980, 4170, 4726, 5970, 6766, 7089, 8340, 9452, 10149, 11815, 11940, 13532, 14178, 16915, 20298, 23630, 27661, 28356, 33830, 35445, 40596, 47260, 50745, 55322, 67660, 70890, 82983, 101490, 110644, 138305, 141780, 165966, 202980, 276610, 331932, 414915, 470237, 553220, 829830, 940474, 1410711, 1659660, 1880948, 2351185, 2821422, 4702370, 5642844, 7053555, 9404740, 14107110, 28214220]

約数ペア:

[(1, 28214220), (2, 14107110), (3, 9404740), (4, 7053555), (5, 5642844), (6, 4702370), (10, 2821422), (12, 2351185), (15, 1880948), (17, 1659660), (20, 1410711), (30, 940474), (34, 829830), (51, 553220), (60, 470237), (68, 414915), (85, 331932), (102, 276610), (139, 202980), (170, 165966), (199, 141780), (204, 138305), (255, 110644), (278, 101490), (340, 82983), (398, 70890), (417, 67660), (510, 55322), (556, 50745), (597, 47260), (695, 40596), (796, 35445), (834, 33830), (995, 28356), (1020, 27661), (1194, 23630), (1390, 20298), (1668, 16915), (1990, 14178), (2085, 13532), (2363, 11940), (2388, 11815), (2780, 10149), (2985, 9452), (3383, 8340), (3980, 7089), (4170, 6766), (4726, 5970)]