204820910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 439257600

約数和(自身を除く): 234436690

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 163, 203, 290, 326, 406, 619, 815, 1015, 1141, 1238, 1630, 2030, 2282, 3095, 4333, 4727, 5705, 6190, 8666, 9454, 11410, 17951, 21665, 23635, 33089, 35902, 43330, 47270, 66178, 89755, 100897, 125657, 165445, 179510, 201794, 251314, 330890, 504485, 628285, 706279, 1008970, 1256570, 1412558, 2926013, 3531395, 5852026, 7062790, 14630065, 20482091, 29260130, 40964182, 102410455, 204820910]

約数ペア:

[(1, 204820910), (2, 102410455), (5, 40964182), (7, 29260130), (10, 20482091), (14, 14630065), (29, 7062790), (35, 5852026), (58, 3531395), (70, 2926013), (145, 1412558), (163, 1256570), (203, 1008970), (290, 706279), (326, 628285), (406, 504485), (619, 330890), (815, 251314), (1015, 201794), (1141, 179510), (1238, 165445), (1630, 125657), (2030, 100897), (2282, 89755), (3095, 66178), (4333, 47270), (4727, 43330), (5705, 35902), (6190, 33089), (8666, 23635), (9454, 21665), (11410, 17951)]