71852140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 162192240

約数和(自身を除く): 90340100

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 67, 86, 116, 134, 145, 172, 215, 268, 290, 335, 430, 580, 670, 860, 1247, 1340, 1849, 1943, 2494, 2881, 3698, 3886, 4988, 5762, 6235, 7396, 7772, 9245, 9715, 11524, 12470, 14405, 18490, 19430, 24940, 28810, 36980, 38860, 53621, 57620, 83549, 107242, 123883, 167098, 214484, 247766, 268105, 334196, 417745, 495532, 536210, 619415, 835490, 1072420, 1238830, 1670980, 2477660, 3592607, 7185214, 14370428, 17963035, 35926070, 71852140]

約数ペア:

[(1, 71852140), (2, 35926070), (4, 17963035), (5, 14370428), (10, 7185214), (20, 3592607), (29, 2477660), (43, 1670980), (58, 1238830), (67, 1072420), (86, 835490), (116, 619415), (134, 536210), (145, 495532), (172, 417745), (215, 334196), (268, 268105), (290, 247766), (335, 214484), (430, 167098), (580, 123883), (670, 107242), (860, 83549), (1247, 57620), (1340, 53621), (1849, 38860), (1943, 36980), (2494, 28810), (2881, 24940), (3698, 19430), (3886, 18490), (4988, 14405), (5762, 12470), (6235, 11524), (7396, 9715), (7772, 9245)]