221569750

素因数分解:

$2^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 429960960

約数和(自身を除く): 208391210

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 109, 125, 173, 218, 235, 250, 346, 470, 545, 865, 1090, 1175, 1730, 2350, 2725, 4325, 5123, 5450, 5875, 8131, 8650, 10246, 11750, 13625, 16262, 18857, 21625, 25615, 27250, 37714, 40655, 43250, 51230, 81310, 94285, 128075, 188570, 203275, 256150, 406550, 471425, 640375, 886279, 942850, 1016375, 1280750, 1772558, 2032750, 2357125, 4431395, 4714250, 8862790, 22156975, 44313950, 110784875, 221569750]

約数ペア:

[(1, 221569750), (2, 110784875), (5, 44313950), (10, 22156975), (25, 8862790), (47, 4714250), (50, 4431395), (94, 2357125), (109, 2032750), (125, 1772558), (173, 1280750), (218, 1016375), (235, 942850), (250, 886279), (346, 640375), (470, 471425), (545, 406550), (865, 256150), (1090, 203275), (1175, 188570), (1730, 128075), (2350, 94285), (2725, 81310), (4325, 51230), (5123, 43250), (5450, 40655), (5875, 37714), (8131, 27250), (8650, 25615), (10246, 21625), (11750, 18857), (13625, 16262)]