30605260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3079}}^1$

素因数の和:3166

約数の個数: 48

約数和(自身を含む): 74511360

約数和(自身を除く): 43906100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 3079, 4970, 6158, 9940, 12316, 15395, 21553, 30790, 43106, 61580, 86212, 107765, 215530, 218609, 431060, 437218, 874436, 1093045, 1530263, 2186090, 3060526, 4372180, 6121052, 7651315, 15302630, 30605260]

約数ペア:

[(1, 30605260), (2, 15302630), (4, 7651315), (5, 6121052), (7, 4372180), (10, 3060526), (14, 2186090), (20, 1530263), (28, 1093045), (35, 874436), (70, 437218), (71, 431060), (140, 218609), (142, 215530), (284, 107765), (355, 86212), (497, 61580), (710, 43106), (994, 30790), (1420, 21553), (1988, 15395), (2485, 12316), (3079, 9940), (4970, 6158)]