348996920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{883}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 808647840

約数和(自身を除く): 459650920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 241, 328, 410, 482, 820, 883, 964, 1205, 1640, 1766, 1928, 2410, 3532, 4415, 4820, 7064, 8830, 9640, 9881, 17660, 19762, 35320, 36203, 39524, 49405, 72406, 79048, 98810, 144812, 181015, 197620, 212803, 289624, 362030, 395240, 425606, 724060, 851212, 1064015, 1448120, 1702424, 2128030, 4256060, 8512120, 8724923, 17449846, 34899692, 43624615, 69799384, 87249230, 174498460, 348996920]

約数ペア:

[(1, 348996920), (2, 174498460), (4, 87249230), (5, 69799384), (8, 43624615), (10, 34899692), (20, 17449846), (40, 8724923), (41, 8512120), (82, 4256060), (164, 2128030), (205, 1702424), (241, 1448120), (328, 1064015), (410, 851212), (482, 724060), (820, 425606), (883, 395240), (964, 362030), (1205, 289624), (1640, 212803), (1766, 197620), (1928, 181015), (2410, 144812), (3532, 98810), (4415, 79048), (4820, 72406), (7064, 49405), (8830, 39524), (9640, 36203), (9881, 35320), (17660, 19762)]