400123585

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 509783040

約数和(自身を除く): 109659455

約数列:

[1, 5, 29, 73, 103, 145, 365, 367, 515, 1835, 2117, 2987, 7519, 10585, 10643, 14935, 26791, 37595, 37801, 53215, 133955, 189005, 218051, 776939, 1090255, 1096229, 2759473, 3884695, 5481145, 13797365, 80024717, 400123585]

約数ペア:

[(1, 400123585), (5, 80024717), (29, 13797365), (73, 5481145), (103, 3884695), (145, 2759473), (365, 1096229), (367, 1090255), (515, 776939), (1835, 218051), (2117, 189005), (2987, 133955), (7519, 53215), (10585, 37801), (10643, 37595), (14935, 26791)]