2053900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 4999680

約数和(自身を除く): 2945780

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 47, 50, 76, 92, 94, 95, 100, 115, 188, 190, 230, 235, 380, 437, 460, 470, 475, 575, 874, 893, 940, 950, 1081, 1150, 1175, 1748, 1786, 1900, 2162, 2185, 2300, 2350, 3572, 4324, 4370, 4465, 4700, 5405, 8740, 8930, 10810, 10925, 17860, 20539, 21620, 21850, 22325, 27025, 41078, 43700, 44650, 54050, 82156, 89300, 102695, 108100, 205390, 410780, 513475, 1026950, 2053900]

約数ペア:

[(1, 2053900), (2, 1026950), (4, 513475), (5, 410780), (10, 205390), (19, 108100), (20, 102695), (23, 89300), (25, 82156), (38, 54050), (46, 44650), (47, 43700), (50, 41078), (76, 27025), (92, 22325), (94, 21850), (95, 21620), (100, 20539), (115, 17860), (188, 10925), (190, 10810), (230, 8930), (235, 8740), (380, 5405), (437, 4700), (460, 4465), (470, 4370), (475, 4324), (575, 3572), (874, 2350), (893, 2300), (940, 2185), (950, 2162), (1081, 1900), (1150, 1786), (1175, 1748)]