42279440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{733}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 113587968

約数和(自身を除く): 71308528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 733, 824, 1030, 1442, 1466, 1648, 2060, 2884, 2932, 3605, 3665, 4120, 5131, 5768, 5864, 7210, 7330, 8240, 10262, 11536, 11728, 14420, 14660, 20524, 25655, 28840, 29320, 41048, 51310, 57680, 58640, 75499, 82096, 102620, 150998, 205240, 301996, 377495, 410480, 528493, 603992, 754990, 1056986, 1207984, 1509980, 2113972, 2642465, 3019960, 4227944, 5284930, 6039920, 8455888, 10569860, 21139720, 42279440]

約数ペア:

[(1, 42279440), (2, 21139720), (4, 10569860), (5, 8455888), (7, 6039920), (8, 5284930), (10, 4227944), (14, 3019960), (16, 2642465), (20, 2113972), (28, 1509980), (35, 1207984), (40, 1056986), (56, 754990), (70, 603992), (80, 528493), (103, 410480), (112, 377495), (140, 301996), (206, 205240), (280, 150998), (412, 102620), (515, 82096), (560, 75499), (721, 58640), (733, 57680), (824, 51310), (1030, 41048), (1442, 29320), (1466, 28840), (1648, 25655), (2060, 20524), (2884, 14660), (2932, 14420), (3605, 11728), (3665, 11536), (4120, 10262), (5131, 8240), (5768, 7330), (5864, 7210)]