2420290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 4821120

約数和(自身を除く): 2400830

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 619, 782, 1238, 1955, 3095, 3910, 6190, 10523, 14237, 21046, 28474, 52615, 71185, 105230, 142370, 242029, 484058, 1210145, 2420290]

約数ペア:

[(1, 2420290), (2, 1210145), (5, 484058), (10, 242029), (17, 142370), (23, 105230), (34, 71185), (46, 52615), (85, 28474), (115, 21046), (170, 14237), (230, 10523), (391, 6190), (619, 3910), (782, 3095), (1238, 1955)]