199986920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9041}}^1$

素因数の和:9138

約数の個数: 64

約数和(自身を含む): 520819200

約数和(自身を除く): 320832280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 9041, 11060, 18082, 22120, 36164, 45205, 63287, 72328, 90410, 126574, 180820, 253148, 316435, 361640, 506296, 632870, 714239, 1265740, 1428478, 2531480, 2856956, 3571195, 4999673, 5713912, 7142390, 9999346, 14284780, 19998692, 24998365, 28569560, 39997384, 49996730, 99993460, 199986920]

約数ペア:

[(1, 199986920), (2, 99993460), (4, 49996730), (5, 39997384), (7, 28569560), (8, 24998365), (10, 19998692), (14, 14284780), (20, 9999346), (28, 7142390), (35, 5713912), (40, 4999673), (56, 3571195), (70, 2856956), (79, 2531480), (140, 1428478), (158, 1265740), (280, 714239), (316, 632870), (395, 506296), (553, 361640), (632, 316435), (790, 253148), (1106, 180820), (1580, 126574), (2212, 90410), (2765, 72328), (3160, 63287), (4424, 45205), (5530, 36164), (9041, 22120), (11060, 18082)]