145865660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 328361040

約数和(自身を除く): 182495380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 227, 356, 361, 380, 445, 454, 722, 890, 908, 1135, 1444, 1691, 1780, 1805, 2270, 3382, 3610, 4313, 4540, 6764, 7220, 8455, 8626, 16910, 17252, 20203, 21565, 32129, 33820, 40406, 43130, 64258, 80812, 81947, 86260, 101015, 128516, 160645, 163894, 202030, 321290, 327788, 383857, 404060, 409735, 642580, 767714, 819470, 1535428, 1638940, 1919285, 3838570, 7293283, 7677140, 14586566, 29173132, 36466415, 72932830, 145865660]

約数ペア:

[(1, 145865660), (2, 72932830), (4, 36466415), (5, 29173132), (10, 14586566), (19, 7677140), (20, 7293283), (38, 3838570), (76, 1919285), (89, 1638940), (95, 1535428), (178, 819470), (190, 767714), (227, 642580), (356, 409735), (361, 404060), (380, 383857), (445, 327788), (454, 321290), (722, 202030), (890, 163894), (908, 160645), (1135, 128516), (1444, 101015), (1691, 86260), (1780, 81947), (1805, 80812), (2270, 64258), (3382, 43130), (3610, 40406), (4313, 33820), (4540, 32129), (6764, 21565), (7220, 20203), (8455, 17252), (8626, 16910)]