25918550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 72

約数和(自身を含む): 57250800

約数和(自身を除く): 31332250

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 71, 98, 142, 149, 175, 245, 298, 350, 355, 490, 497, 710, 745, 994, 1043, 1225, 1490, 1775, 2086, 2450, 2485, 3479, 3550, 3725, 4970, 5215, 6958, 7301, 7450, 10430, 10579, 12425, 14602, 17395, 21158, 24850, 26075, 34790, 36505, 52150, 52895, 73010, 74053, 86975, 105790, 148106, 173950, 182525, 264475, 365050, 370265, 518371, 528950, 740530, 1036742, 1851325, 2591855, 3702650, 5183710, 12959275, 25918550]

約数ペア:

[(1, 25918550), (2, 12959275), (5, 5183710), (7, 3702650), (10, 2591855), (14, 1851325), (25, 1036742), (35, 740530), (49, 528950), (50, 518371), (70, 370265), (71, 365050), (98, 264475), (142, 182525), (149, 173950), (175, 148106), (245, 105790), (298, 86975), (350, 74053), (355, 73010), (490, 52895), (497, 52150), (710, 36505), (745, 34790), (994, 26075), (1043, 24850), (1225, 21158), (1490, 17395), (1775, 14602), (2086, 12425), (2450, 10579), (2485, 10430), (3479, 7450), (3550, 7301), (3725, 6958), (4970, 5215)]