140483490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 394870464

約数和(自身を除く): 254386974

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 227, 245, 294, 421, 454, 490, 681, 735, 842, 1135, 1263, 1362, 1470, 1589, 2105, 2270, 2526, 2947, 3178, 3405, 4210, 4767, 5894, 6315, 6810, 7945, 8841, 9534, 11123, 12630, 14735, 15890, 17682, 20629, 22246, 23835, 29470, 33369, 41258, 44205, 47670, 55615, 61887, 66738, 88410, 95567, 103145, 111230, 123774, 166845, 191134, 206290, 286701, 309435, 333690, 477835, 573402, 618870, 668969, 955670, 1337938, 1433505, 2006907, 2867010, 3344845, 4013814, 4682783, 6689690, 9365566, 10034535, 14048349, 20069070, 23413915, 28096698, 46827830, 70241745, 140483490]

約数ペア:

[(1, 140483490), (2, 70241745), (3, 46827830), (5, 28096698), (6, 23413915), (7, 20069070), (10, 14048349), (14, 10034535), (15, 9365566), (21, 6689690), (30, 4682783), (35, 4013814), (42, 3344845), (49, 2867010), (70, 2006907), (98, 1433505), (105, 1337938), (147, 955670), (210, 668969), (227, 618870), (245, 573402), (294, 477835), (421, 333690), (454, 309435), (490, 286701), (681, 206290), (735, 191134), (842, 166845), (1135, 123774), (1263, 111230), (1362, 103145), (1470, 95567), (1589, 88410), (2105, 66738), (2270, 61887), (2526, 55615), (2947, 47670), (3178, 44205), (3405, 41258), (4210, 33369), (4767, 29470), (5894, 23835), (6315, 22246), (6810, 20629), (7945, 17682), (8841, 15890), (9534, 14735), (11123, 12630)]