1256390410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{787}}^1$

素因数の和:1459

約数の個数: 64

約数和(自身を含む): 2581714944

約数和(自身を除く): 1325324534

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 631, 787, 1262, 1265, 1574, 2530, 3155, 3935, 6310, 6941, 7870, 8657, 13882, 14513, 17314, 18101, 29026, 34705, 36202, 43285, 69410, 72565, 86570, 90505, 145130, 159643, 181010, 199111, 319286, 398222, 496597, 798215, 993194, 995555, 1596430, 1991110, 2482985, 4965970, 5462567, 10925134, 11421731, 22843462, 27312835, 54625670, 57108655, 114217310, 125639041, 251278082, 628195205, 1256390410]

約数ペア:

[(1, 1256390410), (2, 628195205), (5, 251278082), (10, 125639041), (11, 114217310), (22, 57108655), (23, 54625670), (46, 27312835), (55, 22843462), (110, 11421731), (115, 10925134), (230, 5462567), (253, 4965970), (506, 2482985), (631, 1991110), (787, 1596430), (1262, 995555), (1265, 993194), (1574, 798215), (2530, 496597), (3155, 398222), (3935, 319286), (6310, 199111), (6941, 181010), (7870, 159643), (8657, 145130), (13882, 90505), (14513, 86570), (17314, 72565), (18101, 69410), (29026, 43285), (34705, 36202)]