740778825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{25261}}^1$

素因数の和:25314

約数の個数: 48

約数和(自身を含む): 1353234816

約数和(自身を除く): 612455991

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 1173, 1275, 1725, 1955, 5865, 9775, 25261, 29325, 75783, 126305, 378915, 429437, 581003, 631525, 1288311, 1743009, 1894575, 2147185, 2905015, 6441555, 8715045, 9877051, 10735925, 14525075, 29631153, 32207775, 43575225, 49385255, 148155765, 246926275, 740778825]

約数ペア:

[(1, 740778825), (3, 246926275), (5, 148155765), (15, 49385255), (17, 43575225), (23, 32207775), (25, 29631153), (51, 14525075), (69, 10735925), (75, 9877051), (85, 8715045), (115, 6441555), (255, 2905015), (345, 2147185), (391, 1894575), (425, 1743009), (575, 1288311), (1173, 631525), (1275, 581003), (1725, 429437), (1955, 378915), (5865, 126305), (9775, 75783), (25261, 29325)]