197071030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 399974400

約数和(自身を除く): 202903370

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 79, 130, 155, 158, 310, 395, 403, 619, 790, 806, 1027, 1238, 2015, 2054, 2449, 3095, 4030, 4898, 5135, 6190, 8047, 10270, 12245, 16094, 19189, 24490, 31837, 38378, 40235, 48901, 63674, 80470, 95945, 97802, 159185, 191890, 244505, 249457, 318370, 489010, 498914, 635713, 1247285, 1271426, 1515931, 2494570, 3031862, 3178565, 6357130, 7579655, 15159310, 19707103, 39414206, 98535515, 197071030]

約数ペア:

[(1, 197071030), (2, 98535515), (5, 39414206), (10, 19707103), (13, 15159310), (26, 7579655), (31, 6357130), (62, 3178565), (65, 3031862), (79, 2494570), (130, 1515931), (155, 1271426), (158, 1247285), (310, 635713), (395, 498914), (403, 489010), (619, 318370), (790, 249457), (806, 244505), (1027, 191890), (1238, 159185), (2015, 97802), (2054, 95945), (2449, 80470), (3095, 63674), (4030, 48901), (4898, 40235), (5135, 38378), (6190, 31837), (8047, 24490), (10270, 19189), (12245, 16094)]