278839250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1332

約数の個数: 64

約数和(自身を含む): 561600000

約数和(自身を除く): 282760750

約数列:

[1, 2, 5, 10, 19, 25, 38, 47, 50, 94, 95, 125, 190, 235, 250, 470, 475, 893, 950, 1175, 1249, 1786, 2350, 2375, 2498, 4465, 4750, 5875, 6245, 8930, 11750, 12490, 22325, 23731, 31225, 44650, 47462, 58703, 62450, 111625, 117406, 118655, 156125, 223250, 237310, 293515, 312250, 587030, 593275, 1115357, 1186550, 1467575, 2230714, 2935150, 2966375, 5576785, 5932750, 7337875, 11153570, 14675750, 27883925, 55767850, 139419625, 278839250]

約数ペア:

[(1, 278839250), (2, 139419625), (5, 55767850), (10, 27883925), (19, 14675750), (25, 11153570), (38, 7337875), (47, 5932750), (50, 5576785), (94, 2966375), (95, 2935150), (125, 2230714), (190, 1467575), (235, 1186550), (250, 1115357), (470, 593275), (475, 587030), (893, 312250), (950, 293515), (1175, 237310), (1249, 223250), (1786, 156125), (2350, 118655), (2375, 117406), (2498, 111625), (4465, 62450), (4750, 58703), (5875, 47462), (6245, 44650), (8930, 31225), (11750, 23731), (12490, 22325)]