828100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^2$

素因数の和:54

約数の個数: 81

約数和(自身を含む): 2263527

約数和(自身を除く): 1435427

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 169, 175, 182, 196, 245, 260, 325, 338, 350, 364, 455, 490, 637, 650, 676, 700, 845, 910, 980, 1183, 1225, 1274, 1300, 1690, 1820, 2275, 2366, 2450, 2548, 3185, 3380, 4225, 4550, 4732, 4900, 5915, 6370, 8281, 8450, 9100, 11830, 12740, 15925, 16562, 16900, 23660, 29575, 31850, 33124, 41405, 59150, 63700, 82810, 118300, 165620, 207025, 414050, 828100]

約数ペア:

[(1, 828100), (2, 414050), (4, 207025), (5, 165620), (7, 118300), (10, 82810), (13, 63700), (14, 59150), (20, 41405), (25, 33124), (26, 31850), (28, 29575), (35, 23660), (49, 16900), (50, 16562), (52, 15925), (65, 12740), (70, 11830), (91, 9100), (98, 8450), (100, 8281), (130, 6370), (140, 5915), (169, 4900), (175, 4732), (182, 4550), (196, 4225), (245, 3380), (260, 3185), (325, 2548), (338, 2450), (350, 2366), (364, 2275), (455, 1820), (490, 1690), (637, 1300), (650, 1274), (676, 1225), (700, 1183), (845, 980)]