204986600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1652

約数の個数: 144

約数和(自身を含む): 597422700

約数和(自身を除く): 392436100

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 130, 140, 175, 182, 196, 200, 245, 260, 280, 325, 350, 364, 392, 455, 490, 520, 637, 650, 700, 728, 910, 980, 1225, 1274, 1300, 1400, 1609, 1820, 1960, 2275, 2450, 2548, 2600, 3185, 3218, 3640, 4550, 4900, 5096, 6370, 6436, 8045, 9100, 9800, 11263, 12740, 12872, 15925, 16090, 18200, 20917, 22526, 25480, 31850, 32180, 40225, 41834, 45052, 56315, 63700, 64360, 78841, 80450, 83668, 90104, 104585, 112630, 127400, 146419, 157682, 160900, 167336, 209170, 225260, 281575, 292838, 315364, 321800, 394205, 418340, 450520, 522925, 563150, 585676, 630728, 732095, 788410, 836680, 1024933, 1045850, 1126300, 1171352, 1464190, 1576820, 1971025, 2049866, 2091700, 2252600, 2928380, 3153640, 3660475, 3942050, 4099732, 4183400, 5124665, 5856760, 7320950, 7884100, 8199464, 10249330, 14641900, 15768200, 20498660, 25623325, 29283800, 40997320, 51246650, 102493300, 204986600]

約数ペア:

[(1, 204986600), (2, 102493300), (4, 51246650), (5, 40997320), (7, 29283800), (8, 25623325), (10, 20498660), (13, 15768200), (14, 14641900), (20, 10249330), (25, 8199464), (26, 7884100), (28, 7320950), (35, 5856760), (40, 5124665), (49, 4183400), (50, 4099732), (52, 3942050), (56, 3660475), (65, 3153640), (70, 2928380), (91, 2252600), (98, 2091700), (100, 2049866), (104, 1971025), (130, 1576820), (140, 1464190), (175, 1171352), (182, 1126300), (196, 1045850), (200, 1024933), (245, 836680), (260, 788410), (280, 732095), (325, 630728), (350, 585676), (364, 563150), (392, 522925), (455, 450520), (490, 418340), (520, 394205), (637, 321800), (650, 315364), (700, 292838), (728, 281575), (910, 225260), (980, 209170), (1225, 167336), (1274, 160900), (1300, 157682), (1400, 146419), (1609, 127400), (1820, 112630), (1960, 104585), (2275, 90104), (2450, 83668), (2548, 80450), (2600, 78841), (3185, 64360), (3218, 63700), (3640, 56315), (4550, 45052), (4900, 41834), (5096, 40225), (6370, 32180), (6436, 31850), (8045, 25480), (9100, 22526), (9800, 20917), (11263, 18200), (12740, 16090), (12872, 15925)]