227454890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1407

約数の個数: 64

約数和(自身を含む): 471018240

約数和(自身を除く): 243563350

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 71, 95, 130, 142, 190, 247, 355, 494, 710, 923, 1235, 1297, 1349, 1846, 2470, 2594, 2698, 4615, 6485, 6745, 9230, 12970, 13490, 16861, 17537, 24643, 33722, 35074, 49286, 84305, 87685, 92087, 123215, 168610, 175370, 184174, 246430, 320359, 460435, 640718, 920870, 1197131, 1601795, 1749653, 2394262, 3203590, 3499306, 5985655, 8748265, 11971310, 17496530, 22745489, 45490978, 113727445, 227454890]

約数ペア:

[(1, 227454890), (2, 113727445), (5, 45490978), (10, 22745489), (13, 17496530), (19, 11971310), (26, 8748265), (38, 5985655), (65, 3499306), (71, 3203590), (95, 2394262), (130, 1749653), (142, 1601795), (190, 1197131), (247, 920870), (355, 640718), (494, 460435), (710, 320359), (923, 246430), (1235, 184174), (1297, 175370), (1349, 168610), (1846, 123215), (2470, 92087), (2594, 87685), (2698, 84305), (4615, 49286), (6485, 35074), (6745, 33722), (9230, 24643), (12970, 17537), (13490, 16861)]