123962500

素因数分解:

$2^2\times 5^5\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 278232192

約数和(自身を除く): 154269692

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 125, 188, 211, 235, 250, 422, 470, 500, 625, 844, 940, 1055, 1175, 1250, 2110, 2350, 2500, 3125, 4220, 4700, 5275, 5875, 6250, 9917, 10550, 11750, 12500, 19834, 21100, 23500, 26375, 29375, 39668, 49585, 52750, 58750, 99170, 105500, 117500, 131875, 146875, 198340, 247925, 263750, 293750, 495850, 527500, 587500, 659375, 991700, 1239625, 1318750, 2479250, 2637500, 4958500, 6198125, 12396250, 24792500, 30990625, 61981250, 123962500]

約数ペア:

[(1, 123962500), (2, 61981250), (4, 30990625), (5, 24792500), (10, 12396250), (20, 6198125), (25, 4958500), (47, 2637500), (50, 2479250), (94, 1318750), (100, 1239625), (125, 991700), (188, 659375), (211, 587500), (235, 527500), (250, 495850), (422, 293750), (470, 263750), (500, 247925), (625, 198340), (844, 146875), (940, 131875), (1055, 117500), (1175, 105500), (1250, 99170), (2110, 58750), (2350, 52750), (2500, 49585), (3125, 39668), (4220, 29375), (4700, 26375), (5275, 23500), (5875, 21100), (6250, 19834), (9917, 12500), (10550, 11750)]