84991970

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 181440000

約数和(自身を除く): 96448030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 343, 349, 355, 490, 497, 686, 698, 710, 994, 1715, 1745, 2443, 2485, 3430, 3479, 3490, 4886, 4970, 6958, 12215, 17101, 17395, 24353, 24430, 24779, 34202, 34790, 48706, 49558, 85505, 119707, 121765, 123895, 171010, 173453, 239414, 243530, 247790, 346906, 598535, 867265, 1197070, 1214171, 1734530, 2428342, 6070855, 8499197, 12141710, 16998394, 42495985, 84991970]

約数ペア:

[(1, 84991970), (2, 42495985), (5, 16998394), (7, 12141710), (10, 8499197), (14, 6070855), (35, 2428342), (49, 1734530), (70, 1214171), (71, 1197070), (98, 867265), (142, 598535), (245, 346906), (343, 247790), (349, 243530), (355, 239414), (490, 173453), (497, 171010), (686, 123895), (698, 121765), (710, 119707), (994, 85505), (1715, 49558), (1745, 48706), (2443, 34790), (2485, 34202), (3430, 24779), (3479, 24430), (3490, 24353), (4886, 17395), (4970, 17101), (6958, 12215)]