4474420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 10015488

約数和(自身を除く): 5541068

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 137, 142, 230, 274, 284, 355, 460, 548, 685, 710, 1370, 1420, 1633, 2740, 3151, 3266, 6302, 6532, 8165, 9727, 12604, 15755, 16330, 19454, 31510, 32660, 38908, 48635, 63020, 97270, 194540, 223721, 447442, 894884, 1118605, 2237210, 4474420]

約数ペア:

[(1, 4474420), (2, 2237210), (4, 1118605), (5, 894884), (10, 447442), (20, 223721), (23, 194540), (46, 97270), (71, 63020), (92, 48635), (115, 38908), (137, 32660), (142, 31510), (230, 19454), (274, 16330), (284, 15755), (355, 12604), (460, 9727), (548, 8165), (685, 6532), (710, 6302), (1370, 3266), (1420, 3151), (1633, 2740)]