2215697500

素因数分解:

$2^2\times 5^4\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 5022642240

約数和(自身を除く): 2806944740

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 109, 125, 173, 188, 218, 235, 250, 346, 436, 470, 500, 545, 625, 692, 865, 940, 1090, 1175, 1250, 1730, 2180, 2350, 2500, 2725, 3460, 4325, 4700, 5123, 5450, 5875, 8131, 8650, 10246, 10900, 11750, 13625, 16262, 17300, 18857, 20492, 21625, 23500, 25615, 27250, 29375, 32524, 37714, 40655, 43250, 51230, 54500, 58750, 68125, 75428, 81310, 86500, 94285, 102460, 108125, 117500, 128075, 136250, 162620, 188570, 203275, 216250, 256150, 272500, 377140, 406550, 432500, 471425, 512300, 640375, 813100, 886279, 942850, 1016375, 1280750, 1772558, 1885700, 2032750, 2357125, 2561500, 3201875, 3545116, 4065500, 4431395, 4714250, 5081875, 6403750, 8862790, 9428500, 10163750, 11785625, 12807500, 17725580, 20327500, 22156975, 23571250, 44313950, 47142500, 88627900, 110784875, 221569750, 443139500, 553924375, 1107848750, 2215697500]

約数ペア:

[(1, 2215697500), (2, 1107848750), (4, 553924375), (5, 443139500), (10, 221569750), (20, 110784875), (25, 88627900), (47, 47142500), (50, 44313950), (94, 23571250), (100, 22156975), (109, 20327500), (125, 17725580), (173, 12807500), (188, 11785625), (218, 10163750), (235, 9428500), (250, 8862790), (346, 6403750), (436, 5081875), (470, 4714250), (500, 4431395), (545, 4065500), (625, 3545116), (692, 3201875), (865, 2561500), (940, 2357125), (1090, 2032750), (1175, 1885700), (1250, 1772558), (1730, 1280750), (2180, 1016375), (2350, 942850), (2500, 886279), (2725, 813100), (3460, 640375), (4325, 512300), (4700, 471425), (5123, 432500), (5450, 406550), (5875, 377140), (8131, 272500), (8650, 256150), (10246, 216250), (10900, 203275), (11750, 188570), (13625, 162620), (16262, 136250), (17300, 128075), (18857, 117500), (20492, 108125), (21625, 102460), (23500, 94285), (25615, 86500), (27250, 81310), (29375, 75428), (32524, 68125), (37714, 58750), (40655, 54500), (43250, 51230)]