87710490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19889}}^1$

素因数の和:19916

約数の個数: 72

約数和(自身を含む): 265292820

約数和(自身を除く): 177582330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 19889, 39778, 59667, 99445, 119334, 139223, 179001, 198890, 278446, 298335, 358002, 417669, 596670, 696115, 835338, 895005, 974561, 1253007, 1392230, 1790010, 1949122, 2088345, 2506014, 2923683, 4176690, 4872805, 5847366, 6265035, 8771049, 9745610, 12530070, 14618415, 17542098, 29236830, 43855245, 87710490]

約数ペア:

[(1, 87710490), (2, 43855245), (3, 29236830), (5, 17542098), (6, 14618415), (7, 12530070), (9, 9745610), (10, 8771049), (14, 6265035), (15, 5847366), (18, 4872805), (21, 4176690), (30, 2923683), (35, 2506014), (42, 2088345), (45, 1949122), (49, 1790010), (63, 1392230), (70, 1253007), (90, 974561), (98, 895005), (105, 835338), (126, 696115), (147, 596670), (210, 417669), (245, 358002), (294, 298335), (315, 278446), (441, 198890), (490, 179001), (630, 139223), (735, 119334), (882, 99445), (1470, 59667), (2205, 39778), (4410, 19889)]