199921980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{523}}^1$

素因数の和:835

約数の個数: 96

約数和(自身を含む): 587349504

約数和(自身を除く): 387427524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 277, 345, 460, 523, 554, 690, 831, 1046, 1108, 1380, 1385, 1569, 1662, 2092, 2615, 2770, 3138, 3324, 4155, 5230, 5540, 6276, 6371, 7845, 8310, 10460, 12029, 12742, 15690, 16620, 19113, 24058, 25484, 31380, 31855, 36087, 38226, 48116, 60145, 63710, 72174, 76452, 95565, 120290, 127420, 144348, 144871, 180435, 191130, 240580, 289742, 360870, 382260, 434613, 579484, 721740, 724355, 869226, 1448710, 1738452, 2173065, 2897420, 3332033, 4346130, 6664066, 8692260, 9996099, 13328132, 16660165, 19992198, 33320330, 39984396, 49980495, 66640660, 99960990, 199921980]

約数ペア:

[(1, 199921980), (2, 99960990), (3, 66640660), (4, 49980495), (5, 39984396), (6, 33320330), (10, 19992198), (12, 16660165), (15, 13328132), (20, 9996099), (23, 8692260), (30, 6664066), (46, 4346130), (60, 3332033), (69, 2897420), (92, 2173065), (115, 1738452), (138, 1448710), (230, 869226), (276, 724355), (277, 721740), (345, 579484), (460, 434613), (523, 382260), (554, 360870), (690, 289742), (831, 240580), (1046, 191130), (1108, 180435), (1380, 144871), (1385, 144348), (1569, 127420), (1662, 120290), (2092, 95565), (2615, 76452), (2770, 72174), (3138, 63710), (3324, 60145), (4155, 48116), (5230, 38226), (5540, 36087), (6276, 31855), (6371, 31380), (7845, 25484), (8310, 24058), (10460, 19113), (12029, 16620), (12742, 15690)]