12698350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 28243728

約数和(自身を除く): 15545378

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 71, 73, 98, 142, 146, 175, 245, 350, 355, 365, 490, 497, 511, 710, 730, 994, 1022, 1225, 1775, 1825, 2450, 2485, 2555, 3479, 3550, 3577, 3650, 4970, 5110, 5183, 6958, 7154, 10366, 12425, 12775, 17395, 17885, 24850, 25550, 25915, 34790, 35770, 36281, 51830, 72562, 86975, 89425, 129575, 173950, 178850, 181405, 253967, 259150, 362810, 507934, 907025, 1269835, 1814050, 2539670, 6349175, 12698350]

約数ペア:

[(1, 12698350), (2, 6349175), (5, 2539670), (7, 1814050), (10, 1269835), (14, 907025), (25, 507934), (35, 362810), (49, 259150), (50, 253967), (70, 181405), (71, 178850), (73, 173950), (98, 129575), (142, 89425), (146, 86975), (175, 72562), (245, 51830), (350, 36281), (355, 35770), (365, 34790), (490, 25915), (497, 25550), (511, 24850), (710, 17885), (730, 17395), (994, 12775), (1022, 12425), (1225, 10366), (1775, 7154), (1825, 6958), (2450, 5183), (2485, 5110), (2555, 4970), (3479, 3650), (3550, 3577)]