444042020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1\times {\mathrm{587}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 945362880

約数和(自身を除く): 501320860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 347, 436, 545, 587, 694, 1090, 1174, 1388, 1735, 2180, 2348, 2935, 3470, 5870, 6940, 11740, 37823, 63983, 75646, 127966, 151292, 189115, 203689, 255932, 319915, 378230, 407378, 639830, 756460, 814756, 1018445, 1279660, 2036890, 4073780, 22202101, 44404202, 88808404, 111010505, 222021010, 444042020]

約数ペア:

[(1, 444042020), (2, 222021010), (4, 111010505), (5, 88808404), (10, 44404202), (20, 22202101), (109, 4073780), (218, 2036890), (347, 1279660), (436, 1018445), (545, 814756), (587, 756460), (694, 639830), (1090, 407378), (1174, 378230), (1388, 319915), (1735, 255932), (2180, 203689), (2348, 189115), (2935, 151292), (3470, 127966), (5870, 75646), (6940, 63983), (11740, 37823)]