7931000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 23362560

約数和(自身を除く): 15431560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 103, 110, 125, 140, 154, 175, 200, 206, 220, 250, 275, 280, 308, 350, 385, 412, 440, 500, 515, 550, 616, 700, 721, 770, 824, 875, 1000, 1030, 1100, 1133, 1375, 1400, 1442, 1540, 1750, 1925, 2060, 2200, 2266, 2575, 2750, 2884, 3080, 3500, 3605, 3850, 4120, 4532, 5150, 5500, 5665, 5768, 7000, 7210, 7700, 7931, 9064, 9625, 10300, 11000, 11330, 12875, 14420, 15400, 15862, 18025, 19250, 20600, 22660, 25750, 28325, 28840, 31724, 36050, 38500, 39655, 45320, 51500, 56650, 63448, 72100, 77000, 79310, 90125, 103000, 113300, 141625, 144200, 158620, 180250, 198275, 226600, 283250, 317240, 360500, 396550, 566500, 721000, 793100, 991375, 1133000, 1586200, 1982750, 3965500, 7931000]

約数ペア:

[(1, 7931000), (2, 3965500), (4, 1982750), (5, 1586200), (7, 1133000), (8, 991375), (10, 793100), (11, 721000), (14, 566500), (20, 396550), (22, 360500), (25, 317240), (28, 283250), (35, 226600), (40, 198275), (44, 180250), (50, 158620), (55, 144200), (56, 141625), (70, 113300), (77, 103000), (88, 90125), (100, 79310), (103, 77000), (110, 72100), (125, 63448), (140, 56650), (154, 51500), (175, 45320), (200, 39655), (206, 38500), (220, 36050), (250, 31724), (275, 28840), (280, 28325), (308, 25750), (350, 22660), (385, 20600), (412, 19250), (440, 18025), (500, 15862), (515, 15400), (550, 14420), (616, 12875), (700, 11330), (721, 11000), (770, 10300), (824, 9625), (875, 9064), (1000, 7931), (1030, 7700), (1100, 7210), (1133, 7000), (1375, 5768), (1400, 5665), (1442, 5500), (1540, 5150), (1750, 4532), (1925, 4120), (2060, 3850), (2200, 3605), (2266, 3500), (2575, 3080), (2750, 2884)]