207941020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51217}}^1$

素因数の和:51262

約数の個数: 48

約数和(自身を含む): 516277440

約数和(自身を除く): 308336420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 51217, 102434, 204868, 256085, 358519, 512170, 717038, 1024340, 1434076, 1485293, 1792595, 2970586, 3585190, 5941172, 7170380, 7426465, 10397051, 14852930, 20794102, 29705860, 41588204, 51985255, 103970510, 207941020]

約数ペア:

[(1, 207941020), (2, 103970510), (4, 51985255), (5, 41588204), (7, 29705860), (10, 20794102), (14, 14852930), (20, 10397051), (28, 7426465), (29, 7170380), (35, 5941172), (58, 3585190), (70, 2970586), (116, 1792595), (140, 1485293), (145, 1434076), (203, 1024340), (290, 717038), (406, 512170), (580, 358519), (812, 256085), (1015, 204868), (2030, 102434), (4060, 51217)]