71751800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 175770000

約数和(自身を除く): 104018200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 89, 100, 116, 139, 145, 178, 200, 232, 278, 290, 356, 445, 556, 580, 695, 712, 725, 890, 1112, 1160, 1390, 1450, 1780, 2225, 2581, 2780, 2900, 3475, 3560, 4031, 4450, 5162, 5560, 5800, 6950, 8062, 8900, 10324, 12371, 12905, 13900, 16124, 17800, 20155, 20648, 24742, 25810, 27800, 32248, 40310, 49484, 51620, 61855, 64525, 80620, 98968, 100775, 103240, 123710, 129050, 161240, 201550, 247420, 258100, 309275, 358759, 403100, 494840, 516200, 618550, 717518, 806200, 1237100, 1435036, 1793795, 2474200, 2870072, 3587590, 7175180, 8968975, 14350360, 17937950, 35875900, 71751800]

約数ペア:

[(1, 71751800), (2, 35875900), (4, 17937950), (5, 14350360), (8, 8968975), (10, 7175180), (20, 3587590), (25, 2870072), (29, 2474200), (40, 1793795), (50, 1435036), (58, 1237100), (89, 806200), (100, 717518), (116, 618550), (139, 516200), (145, 494840), (178, 403100), (200, 358759), (232, 309275), (278, 258100), (290, 247420), (356, 201550), (445, 161240), (556, 129050), (580, 123710), (695, 103240), (712, 100775), (725, 98968), (890, 80620), (1112, 64525), (1160, 61855), (1390, 51620), (1450, 49484), (1780, 40310), (2225, 32248), (2581, 27800), (2780, 25810), (2900, 24742), (3475, 20648), (3560, 20155), (4031, 17800), (4450, 16124), (5162, 13900), (5560, 12905), (5800, 12371), (6950, 10324), (8062, 8900)]