81237100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:368

約数の個数: 108

約数和(自身を含む): 209283480

約数和(自身を除く): 128046380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 59, 70, 98, 100, 118, 140, 175, 196, 236, 245, 281, 295, 350, 413, 490, 562, 590, 700, 826, 980, 1124, 1180, 1225, 1405, 1475, 1652, 1967, 2065, 2450, 2810, 2891, 2950, 3934, 4130, 4900, 5620, 5782, 5900, 7025, 7868, 8260, 9835, 10325, 11564, 13769, 14050, 14455, 16579, 19670, 20650, 27538, 28100, 28910, 33158, 39340, 41300, 49175, 55076, 57820, 66316, 68845, 72275, 82895, 98350, 116053, 137690, 144550, 165790, 196700, 232106, 275380, 289100, 331580, 344225, 414475, 464212, 580265, 688450, 812371, 828950, 1160530, 1376900, 1624742, 1657900, 2321060, 2901325, 3249484, 4061855, 5802650, 8123710, 11605300, 16247420, 20309275, 40618550, 81237100]

約数ペア:

[(1, 81237100), (2, 40618550), (4, 20309275), (5, 16247420), (7, 11605300), (10, 8123710), (14, 5802650), (20, 4061855), (25, 3249484), (28, 2901325), (35, 2321060), (49, 1657900), (50, 1624742), (59, 1376900), (70, 1160530), (98, 828950), (100, 812371), (118, 688450), (140, 580265), (175, 464212), (196, 414475), (236, 344225), (245, 331580), (281, 289100), (295, 275380), (350, 232106), (413, 196700), (490, 165790), (562, 144550), (590, 137690), (700, 116053), (826, 98350), (980, 82895), (1124, 72275), (1180, 68845), (1225, 66316), (1405, 57820), (1475, 55076), (1652, 49175), (1967, 41300), (2065, 39340), (2450, 33158), (2810, 28910), (2891, 28100), (2950, 27538), (3934, 20650), (4130, 19670), (4900, 16579), (5620, 14455), (5782, 14050), (5900, 13769), (7025, 11564), (7868, 10325), (8260, 9835)]