418409320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40387}}^1$

素因数の和:40442

約数の個数: 64

約数和(自身を含む): 1105015680

約数和(自身を除く): 686606360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 40387, 80774, 161548, 201935, 282709, 323096, 403870, 565418, 807740, 1130836, 1413545, 1494319, 1615480, 2261672, 2827090, 2988638, 5654180, 5977276, 7471595, 10460233, 11308360, 11954552, 14943190, 20920466, 29886380, 41840932, 52301165, 59772760, 83681864, 104602330, 209204660, 418409320]

約数ペア:

[(1, 418409320), (2, 209204660), (4, 104602330), (5, 83681864), (7, 59772760), (8, 52301165), (10, 41840932), (14, 29886380), (20, 20920466), (28, 14943190), (35, 11954552), (37, 11308360), (40, 10460233), (56, 7471595), (70, 5977276), (74, 5654180), (140, 2988638), (148, 2827090), (185, 2261672), (259, 1615480), (280, 1494319), (296, 1413545), (370, 1130836), (518, 807740), (740, 565418), (1036, 403870), (1295, 323096), (1480, 282709), (2072, 201935), (2590, 161548), (5180, 80774), (10360, 40387)]