1217650

素因数分解:

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

素因数の和:104

約数の個数: 48

約数和(自身を含む): 2678400

約数和(自身を除く): 1460750

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 71, 98, 142, 175, 245, 343, 350, 355, 490, 497, 686, 710, 994, 1225, 1715, 1775, 2450, 2485, 3430, 3479, 3550, 4970, 6958, 8575, 12425, 17150, 17395, 24353, 24850, 34790, 48706, 86975, 121765, 173950, 243530, 608825, 1217650]

約数ペア:

[(1, 1217650), (2, 608825), (5, 243530), (7, 173950), (10, 121765), (14, 86975), (25, 48706), (35, 34790), (49, 24850), (50, 24353), (70, 17395), (71, 17150), (98, 12425), (142, 8575), (175, 6958), (245, 4970), (343, 3550), (350, 3479), (355, 3430), (490, 2485), (497, 2450), (686, 1775), (710, 1715), (994, 1225)]