20199871300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{489101}}^1$

素因数の和:489181

約数の個数: 72

約数和(自身を含む): 50944864320

約数和(自身を除く): 30744993020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 59, 70, 100, 118, 140, 175, 236, 295, 350, 413, 590, 700, 826, 1180, 1475, 1652, 2065, 2950, 4130, 5900, 8260, 10325, 20650, 41300, 489101, 978202, 1956404, 2445505, 3423707, 4891010, 6847414, 9782020, 12227525, 13694828, 17118535, 24455050, 28856959, 34237070, 48910100, 57713918, 68474140, 85592675, 115427836, 144284795, 171185350, 201998713, 288569590, 342370700, 403997426, 577139180, 721423975, 807994852, 1009993565, 1442847950, 2019987130, 2885695900, 4039974260, 5049967825, 10099935650, 20199871300]

約数ペア:

[(1, 20199871300), (2, 10099935650), (4, 5049967825), (5, 4039974260), (7, 2885695900), (10, 2019987130), (14, 1442847950), (20, 1009993565), (25, 807994852), (28, 721423975), (35, 577139180), (50, 403997426), (59, 342370700), (70, 288569590), (100, 201998713), (118, 171185350), (140, 144284795), (175, 115427836), (236, 85592675), (295, 68474140), (350, 57713918), (413, 48910100), (590, 34237070), (700, 28856959), (826, 24455050), (1180, 17118535), (1475, 13694828), (1652, 12227525), (2065, 9782020), (2950, 6847414), (4130, 4891010), (5900, 3423707), (8260, 2445505), (10325, 1956404), (20650, 978202), (41300, 489101)]