171808420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{16811}}^1$

素因数の和:16900

約数の個数: 48

約数和(自身を含む): 418013568

約数和(自身を除く): 246205148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 16811, 33622, 67244, 84055, 117677, 168110, 235354, 336220, 470708, 588385, 1176770, 1227203, 2353540, 2454406, 4908812, 6136015, 8590421, 12272030, 17180842, 24544060, 34361684, 42952105, 85904210, 171808420]

約数ペア:

[(1, 171808420), (2, 85904210), (4, 42952105), (5, 34361684), (7, 24544060), (10, 17180842), (14, 12272030), (20, 8590421), (28, 6136015), (35, 4908812), (70, 2454406), (73, 2353540), (140, 1227203), (146, 1176770), (292, 588385), (365, 470708), (511, 336220), (730, 235354), (1022, 168110), (1460, 117677), (2044, 84055), (2555, 67244), (5110, 33622), (10220, 16811)]