9899820

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{97}}^1$

素因数の和:131

約数の個数: 168

約数和(自身を含む): 35990304

約数和(自身を除く): 26090484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 97, 105, 108, 126, 135, 140, 162, 180, 189, 194, 210, 243, 252, 270, 291, 315, 324, 378, 388, 405, 420, 485, 486, 540, 567, 582, 630, 679, 729, 756, 810, 873, 945, 970, 972, 1134, 1164, 1215, 1260, 1358, 1455, 1458, 1620, 1701, 1746, 1890, 1940, 2037, 2268, 2430, 2619, 2716, 2835, 2910, 2916, 3395, 3402, 3492, 3645, 3780, 4074, 4365, 4860, 5103, 5238, 5670, 5820, 6111, 6790, 6804, 7290, 7857, 8148, 8505, 8730, 10185, 10206, 10476, 11340, 12222, 13095, 13580, 14580, 15714, 17010, 17460, 18333, 20370, 20412, 23571, 24444, 25515, 26190, 30555, 31428, 34020, 36666, 39285, 40740, 47142, 51030, 52380, 54999, 61110, 70713, 73332, 78570, 91665, 94284, 102060, 109998, 117855, 122220, 141426, 157140, 164997, 183330, 219996, 235710, 274995, 282852, 329994, 353565, 366660, 471420, 494991, 549990, 659988, 707130, 824985, 989982, 1099980, 1414260, 1649970, 1979964, 2474955, 3299940, 4949910, 9899820]

約数ペア:

[(1, 9899820), (2, 4949910), (3, 3299940), (4, 2474955), (5, 1979964), (6, 1649970), (7, 1414260), (9, 1099980), (10, 989982), (12, 824985), (14, 707130), (15, 659988), (18, 549990), (20, 494991), (21, 471420), (27, 366660), (28, 353565), (30, 329994), (35, 282852), (36, 274995), (42, 235710), (45, 219996), (54, 183330), (60, 164997), (63, 157140), (70, 141426), (81, 122220), (84, 117855), (90, 109998), (97, 102060), (105, 94284), (108, 91665), (126, 78570), (135, 73332), (140, 70713), (162, 61110), (180, 54999), (189, 52380), (194, 51030), (210, 47142), (243, 40740), (252, 39285), (270, 36666), (291, 34020), (315, 31428), (324, 30555), (378, 26190), (388, 25515), (405, 24444), (420, 23571), (485, 20412), (486, 20370), (540, 18333), (567, 17460), (582, 17010), (630, 15714), (679, 14580), (729, 13580), (756, 13095), (810, 12222), (873, 11340), (945, 10476), (970, 10206), (972, 10185), (1134, 8730), (1164, 8505), (1215, 8148), (1260, 7857), (1358, 7290), (1455, 6804), (1458, 6790), (1620, 6111), (1701, 5820), (1746, 5670), (1890, 5238), (1940, 5103), (2037, 4860), (2268, 4365), (2430, 4074), (2619, 3780), (2716, 3645), (2835, 3492), (2910, 3402), (2916, 3395)]