2340870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 6552576

約数和(自身を除く): 4211706

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 157, 210, 213, 314, 355, 426, 471, 497, 710, 785, 942, 994, 1065, 1099, 1491, 1570, 2130, 2198, 2355, 2485, 2982, 3297, 4710, 4970, 5495, 6594, 7455, 10990, 11147, 14910, 16485, 22294, 32970, 33441, 55735, 66882, 78029, 111470, 156058, 167205, 234087, 334410, 390145, 468174, 780290, 1170435, 2340870]

約数ペア:

[(1, 2340870), (2, 1170435), (3, 780290), (5, 468174), (6, 390145), (7, 334410), (10, 234087), (14, 167205), (15, 156058), (21, 111470), (30, 78029), (35, 66882), (42, 55735), (70, 33441), (71, 32970), (105, 22294), (142, 16485), (157, 14910), (210, 11147), (213, 10990), (314, 7455), (355, 6594), (426, 5495), (471, 4970), (497, 4710), (710, 3297), (785, 2982), (942, 2485), (994, 2355), (1065, 2198), (1099, 2130), (1491, 1570)]