397181890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{571}}^1$

素因数の和:1127

約数の個数: 64

約数和(自身を含む): 863216640

約数和(自身を除く): 466034750

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 523, 571, 665, 1046, 1142, 1330, 2615, 2855, 3661, 3997, 5230, 5710, 7322, 7994, 9937, 10849, 18305, 19874, 19985, 21698, 36610, 39970, 49685, 54245, 69559, 75943, 99370, 108490, 139118, 151886, 298633, 347795, 379715, 597266, 695590, 759430, 1493165, 2090431, 2986330, 4180862, 5674027, 10452155, 11348054, 20904310, 28370135, 39718189, 56740270, 79436378, 198590945, 397181890]

約数ペア:

[(1, 397181890), (2, 198590945), (5, 79436378), (7, 56740270), (10, 39718189), (14, 28370135), (19, 20904310), (35, 11348054), (38, 10452155), (70, 5674027), (95, 4180862), (133, 2986330), (190, 2090431), (266, 1493165), (523, 759430), (571, 695590), (665, 597266), (1046, 379715), (1142, 347795), (1330, 298633), (2615, 151886), (2855, 139118), (3661, 108490), (3997, 99370), (5230, 75943), (5710, 69559), (7322, 54245), (7994, 49685), (9937, 39970), (10849, 36610), (18305, 21698), (19874, 19985)]