3988250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 8895744

約数和(自身を除く): 4907494

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 50, 53, 70, 86, 106, 125, 175, 215, 250, 265, 301, 350, 371, 430, 530, 602, 742, 875, 1075, 1325, 1505, 1750, 1855, 2150, 2279, 2650, 3010, 3710, 4558, 5375, 6625, 7525, 9275, 10750, 11395, 13250, 15050, 15953, 18550, 22790, 31906, 37625, 46375, 56975, 75250, 79765, 92750, 113950, 159530, 284875, 398825, 569750, 797650, 1994125, 3988250]

約数ペア:

[(1, 3988250), (2, 1994125), (5, 797650), (7, 569750), (10, 398825), (14, 284875), (25, 159530), (35, 113950), (43, 92750), (50, 79765), (53, 75250), (70, 56975), (86, 46375), (106, 37625), (125, 31906), (175, 22790), (215, 18550), (250, 15953), (265, 15050), (301, 13250), (350, 11395), (371, 10750), (430, 9275), (530, 7525), (602, 6625), (742, 5375), (875, 4558), (1075, 3710), (1325, 3010), (1505, 2650), (1750, 2279), (1855, 2150)]