7479850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 16793568

約数和(自身を除く): 9313718

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 49, 50, 70, 71, 86, 98, 142, 175, 215, 245, 301, 350, 355, 430, 490, 497, 602, 710, 994, 1075, 1225, 1505, 1775, 2107, 2150, 2450, 2485, 3010, 3053, 3479, 3550, 4214, 4970, 6106, 6958, 7525, 10535, 12425, 15050, 15265, 17395, 21070, 21371, 24850, 30530, 34790, 42742, 52675, 76325, 86975, 105350, 106855, 149597, 152650, 173950, 213710, 299194, 534275, 747985, 1068550, 1495970, 3739925, 7479850]

約数ペア:

[(1, 7479850), (2, 3739925), (5, 1495970), (7, 1068550), (10, 747985), (14, 534275), (25, 299194), (35, 213710), (43, 173950), (49, 152650), (50, 149597), (70, 106855), (71, 105350), (86, 86975), (98, 76325), (142, 52675), (175, 42742), (215, 34790), (245, 30530), (301, 24850), (350, 21371), (355, 21070), (430, 17395), (490, 15265), (497, 15050), (602, 12425), (710, 10535), (994, 7525), (1075, 6958), (1225, 6106), (1505, 4970), (1775, 4214), (2107, 3550), (2150, 3479), (2450, 3053), (2485, 3010)]