1531100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 3390408

約数和(自身を除く): 1859308

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 251, 305, 502, 610, 1004, 1220, 1255, 1525, 2510, 3050, 5020, 6100, 6275, 12550, 15311, 25100, 30622, 61244, 76555, 153110, 306220, 382775, 765550, 1531100]

約数ペア:

[(1, 1531100), (2, 765550), (4, 382775), (5, 306220), (10, 153110), (20, 76555), (25, 61244), (50, 30622), (61, 25100), (100, 15311), (122, 12550), (244, 6275), (251, 6100), (305, 5020), (502, 3050), (610, 2510), (1004, 1525), (1220, 1255)]