79747780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3823}}^1$

素因数の和:3988

約数の個数: 48

約数和(自身を含む): 192729600

約数和(自身を除く): 112981820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 3823, 4172, 5215, 7646, 10430, 15292, 19115, 20860, 26761, 38230, 53522, 76460, 107044, 133805, 267610, 535220, 569627, 1139254, 2278508, 2848135, 3987389, 5696270, 7974778, 11392540, 15949556, 19936945, 39873890, 79747780]

約数ペア:

[(1, 79747780), (2, 39873890), (4, 19936945), (5, 15949556), (7, 11392540), (10, 7974778), (14, 5696270), (20, 3987389), (28, 2848135), (35, 2278508), (70, 1139254), (140, 569627), (149, 535220), (298, 267610), (596, 133805), (745, 107044), (1043, 76460), (1490, 53522), (2086, 38230), (2980, 26761), (3823, 20860), (4172, 19115), (5215, 15292), (7646, 10430)]