151991420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{23099}}^1$

素因数の和:23162

約数の個数: 48

約数和(自身を含む): 372556800

約数和(自身を除く): 220565380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 23099, 46198, 92396, 115495, 161693, 230990, 323386, 461980, 646772, 808465, 1085653, 1616930, 2171306, 3233860, 4342612, 5428265, 7599571, 10856530, 15199142, 21713060, 30398284, 37997855, 75995710, 151991420]

約数ペア:

[(1, 151991420), (2, 75995710), (4, 37997855), (5, 30398284), (7, 21713060), (10, 15199142), (14, 10856530), (20, 7599571), (28, 5428265), (35, 4342612), (47, 3233860), (70, 2171306), (94, 1616930), (140, 1085653), (188, 808465), (235, 646772), (329, 461980), (470, 323386), (658, 230990), (940, 161693), (1316, 115495), (1645, 92396), (3290, 46198), (6580, 23099)]