7840400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1153}}^1$

素因数の和:1188

約数の個数: 60

約数和(自身を含む): 19961892

約数和(自身を除く): 12121492

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1153, 1360, 1700, 2306, 3400, 4612, 5765, 6800, 9224, 11530, 18448, 19601, 23060, 28825, 39202, 46120, 57650, 78404, 92240, 98005, 115300, 156808, 196010, 230600, 313616, 392020, 461200, 490025, 784040, 980050, 1568080, 1960100, 3920200, 7840400]

約数ペア:

[(1, 7840400), (2, 3920200), (4, 1960100), (5, 1568080), (8, 980050), (10, 784040), (16, 490025), (17, 461200), (20, 392020), (25, 313616), (34, 230600), (40, 196010), (50, 156808), (68, 115300), (80, 98005), (85, 92240), (100, 78404), (136, 57650), (170, 46120), (200, 39202), (272, 28825), (340, 23060), (400, 19601), (425, 18448), (680, 11530), (850, 9224), (1153, 6800), (1360, 5765), (1700, 4612), (2306, 3400)]