1900683640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{164419}}^1$

素因数の和:164464

約数の個数: 48

約数和(自身を含む): 4542924600

約数和(自身を除く): 2642240960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 164419, 328838, 657676, 822095, 1315352, 1644190, 2795123, 3288380, 5590246, 6576760, 11180492, 13975615, 22360984, 27951230, 47517091, 55902460, 95034182, 111804920, 190068364, 237585455, 380136728, 475170910, 950341820, 1900683640]

約数ペア:

[(1, 1900683640), (2, 950341820), (4, 475170910), (5, 380136728), (8, 237585455), (10, 190068364), (17, 111804920), (20, 95034182), (34, 55902460), (40, 47517091), (68, 27951230), (85, 22360984), (136, 13975615), (170, 11180492), (289, 6576760), (340, 5590246), (578, 3288380), (680, 2795123), (1156, 1644190), (1445, 1315352), (2312, 822095), (2890, 657676), (5780, 328838), (11560, 164419)]