142000220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 307698048

約数和(自身を除く): 165697828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 785, 820, 1103, 1570, 2206, 3140, 4412, 5515, 6437, 11030, 12874, 22060, 25748, 32185, 45223, 64370, 90446, 128740, 173171, 180892, 226115, 346342, 452230, 692684, 865855, 904460, 1731710, 3463420, 7100011, 14200022, 28400044, 35500055, 71000110, 142000220]

約数ペア:

[(1, 142000220), (2, 71000110), (4, 35500055), (5, 28400044), (10, 14200022), (20, 7100011), (41, 3463420), (82, 1731710), (157, 904460), (164, 865855), (205, 692684), (314, 452230), (410, 346342), (628, 226115), (785, 180892), (820, 173171), (1103, 128740), (1570, 90446), (2206, 64370), (3140, 45223), (4412, 32185), (5515, 25748), (6437, 22060), (11030, 12874)]