200907990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1474

約数の個数: 96

約数和(自身を含む): 553153536

約数和(自身を除く): 352245546

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 71, 90, 115, 138, 142, 207, 213, 230, 345, 355, 414, 426, 639, 690, 710, 1035, 1065, 1278, 1367, 1633, 2070, 2130, 2734, 3195, 3266, 4101, 4899, 6390, 6835, 8165, 8202, 9798, 12303, 13670, 14697, 16330, 20505, 24495, 24606, 29394, 31441, 41010, 48990, 61515, 62882, 73485, 94323, 97057, 123030, 146970, 157205, 188646, 194114, 282969, 291171, 314410, 471615, 485285, 565938, 582342, 873513, 943230, 970570, 1414845, 1455855, 1747026, 2232311, 2829690, 2911710, 4367565, 4464622, 6696933, 8735130, 11161555, 13393866, 20090799, 22323110, 33484665, 40181598, 66969330, 100453995, 200907990]

約数ペア:

[(1, 200907990), (2, 100453995), (3, 66969330), (5, 40181598), (6, 33484665), (9, 22323110), (10, 20090799), (15, 13393866), (18, 11161555), (23, 8735130), (30, 6696933), (45, 4464622), (46, 4367565), (69, 2911710), (71, 2829690), (90, 2232311), (115, 1747026), (138, 1455855), (142, 1414845), (207, 970570), (213, 943230), (230, 873513), (345, 582342), (355, 565938), (414, 485285), (426, 471615), (639, 314410), (690, 291171), (710, 282969), (1035, 194114), (1065, 188646), (1278, 157205), (1367, 146970), (1633, 123030), (2070, 97057), (2130, 94323), (2734, 73485), (3195, 62882), (3266, 61515), (4101, 48990), (4899, 41010), (6390, 31441), (6835, 29394), (8165, 24606), (8202, 24495), (9798, 20505), (12303, 16330), (13670, 14697)]