828937540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{2707}}^1$

素因数の和:3028

約数の個数: 48

約数和(自身を含む): 1777011264

約数和(自身を除く): 948073724

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 251, 305, 502, 610, 1004, 1220, 1255, 2510, 2707, 5020, 5414, 10828, 13535, 15311, 27070, 30622, 54140, 61244, 76555, 153110, 165127, 306220, 330254, 660508, 679457, 825635, 1358914, 1651270, 2717828, 3302540, 3397285, 6794570, 13589140, 41446877, 82893754, 165787508, 207234385, 414468770, 828937540]

約数ペア:

[(1, 828937540), (2, 414468770), (4, 207234385), (5, 165787508), (10, 82893754), (20, 41446877), (61, 13589140), (122, 6794570), (244, 3397285), (251, 3302540), (305, 2717828), (502, 1651270), (610, 1358914), (1004, 825635), (1220, 679457), (1255, 660508), (2510, 330254), (2707, 306220), (5020, 165127), (5414, 153110), (10828, 76555), (13535, 61244), (15311, 54140), (27070, 30622)]