189749240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1061}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 454196160

約数和(自身を除く): 264446920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 263, 340, 526, 680, 1052, 1061, 1315, 2104, 2122, 2630, 4244, 4471, 5260, 5305, 8488, 8942, 10520, 10610, 17884, 18037, 21220, 22355, 35768, 36074, 42440, 44710, 72148, 89420, 90185, 144296, 178840, 180370, 279043, 360740, 558086, 721480, 1116172, 1395215, 2232344, 2790430, 4743731, 5580860, 9487462, 11161720, 18974924, 23718655, 37949848, 47437310, 94874620, 189749240]

約数ペア:

[(1, 189749240), (2, 94874620), (4, 47437310), (5, 37949848), (8, 23718655), (10, 18974924), (17, 11161720), (20, 9487462), (34, 5580860), (40, 4743731), (68, 2790430), (85, 2232344), (136, 1395215), (170, 1116172), (263, 721480), (340, 558086), (526, 360740), (680, 279043), (1052, 180370), (1061, 178840), (1315, 144296), (2104, 90185), (2122, 89420), (2630, 72148), (4244, 44710), (4471, 42440), (5260, 36074), (5305, 35768), (8488, 22355), (8942, 21220), (10520, 18037), (10610, 17884)]