490427390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{125429}}^1$

素因数の和:125476

約数の個数: 32

約数和(自身を含む): 975343680

約数和(自身を除く): 484916290

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 125429, 250858, 627145, 1254290, 2132293, 2884867, 4264586, 5769734, 10661465, 14424335, 21322930, 28848670, 49042739, 98085478, 245213695, 490427390]

約数ペア:

[(1, 490427390), (2, 245213695), (5, 98085478), (10, 49042739), (17, 28848670), (23, 21322930), (34, 14424335), (46, 10661465), (85, 5769734), (115, 4264586), (170, 2884867), (230, 2132293), (391, 1254290), (782, 627145), (1955, 250858), (3910, 125429)]