244742000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1651

約数の個数: 80

約数和(自身を含む): 599664000

約数和(自身を除く): 354922000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 250, 316, 395, 400, 500, 632, 790, 1000, 1264, 1549, 1580, 1975, 2000, 3098, 3160, 3950, 6196, 6320, 7745, 7900, 9875, 12392, 15490, 15800, 19750, 24784, 30980, 31600, 38725, 39500, 61960, 77450, 79000, 122371, 123920, 154900, 158000, 193625, 244742, 309800, 387250, 489484, 611855, 619600, 774500, 978968, 1223710, 1549000, 1957936, 2447420, 3059275, 3098000, 4894840, 6118550, 9789680, 12237100, 15296375, 24474200, 30592750, 48948400, 61185500, 122371000, 244742000]

約数ペア:

[(1, 244742000), (2, 122371000), (4, 61185500), (5, 48948400), (8, 30592750), (10, 24474200), (16, 15296375), (20, 12237100), (25, 9789680), (40, 6118550), (50, 4894840), (79, 3098000), (80, 3059275), (100, 2447420), (125, 1957936), (158, 1549000), (200, 1223710), (250, 978968), (316, 774500), (395, 619600), (400, 611855), (500, 489484), (632, 387250), (790, 309800), (1000, 244742), (1264, 193625), (1549, 158000), (1580, 154900), (1975, 123920), (2000, 122371), (3098, 79000), (3160, 77450), (3950, 61960), (6196, 39500), (6320, 38725), (7745, 31600), (7900, 30980), (9875, 24784), (12392, 19750), (15490, 15800)]