1650845140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{166081}}^1$

素因数の和:166168

約数の個数: 48

約数和(自身を含む): 4017855744

約数和(自身を除く): 2367010604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 166081, 332162, 664324, 830405, 1162567, 1660810, 2325134, 3321620, 4650268, 5812835, 11625670, 11791751, 23251340, 23583502, 47167004, 58958755, 82542257, 117917510, 165084514, 235835020, 330169028, 412711285, 825422570, 1650845140]

約数ペア:

[(1, 1650845140), (2, 825422570), (4, 412711285), (5, 330169028), (7, 235835020), (10, 165084514), (14, 117917510), (20, 82542257), (28, 58958755), (35, 47167004), (70, 23583502), (71, 23251340), (140, 11791751), (142, 11625670), (284, 5812835), (355, 4650268), (497, 3321620), (710, 2325134), (994, 1660810), (1420, 1162567), (1988, 830405), (2485, 664324), (4970, 332162), (9940, 166081)]