141016940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 301644000

約数和(自身を除く): 160627060

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 227, 349, 356, 445, 454, 698, 890, 908, 1135, 1396, 1745, 1780, 2270, 3490, 4540, 6980, 20203, 31061, 40406, 62122, 79223, 80812, 101015, 124244, 155305, 158446, 202030, 310610, 316892, 396115, 404060, 621220, 792230, 1584460, 7050847, 14101694, 28203388, 35254235, 70508470, 141016940]

約数ペア:

[(1, 141016940), (2, 70508470), (4, 35254235), (5, 28203388), (10, 14101694), (20, 7050847), (89, 1584460), (178, 792230), (227, 621220), (349, 404060), (356, 396115), (445, 316892), (454, 310610), (698, 202030), (890, 158446), (908, 155305), (1135, 124244), (1396, 101015), (1745, 80812), (1780, 79223), (2270, 62122), (3490, 40406), (4540, 31061), (6980, 20203)]