78409870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1393

約数の個数: 64

約数和(自身を含む): 178329600

約数和(自身を除く): 99919730

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 79, 110, 154, 158, 385, 395, 553, 770, 790, 869, 1106, 1289, 1738, 2578, 2765, 4345, 5530, 6083, 6445, 8690, 9023, 12166, 12890, 14179, 18046, 28358, 30415, 45115, 60830, 70895, 90230, 99253, 101831, 141790, 198506, 203662, 496265, 509155, 712817, 992530, 1018310, 1120141, 1425634, 2240282, 3564085, 5600705, 7128170, 7840987, 11201410, 15681974, 39204935, 78409870]

約数ペア:

[(1, 78409870), (2, 39204935), (5, 15681974), (7, 11201410), (10, 7840987), (11, 7128170), (14, 5600705), (22, 3564085), (35, 2240282), (55, 1425634), (70, 1120141), (77, 1018310), (79, 992530), (110, 712817), (154, 509155), (158, 496265), (385, 203662), (395, 198506), (553, 141790), (770, 101831), (790, 99253), (869, 90230), (1106, 70895), (1289, 60830), (1738, 45115), (2578, 30415), (2765, 28358), (4345, 18046), (5530, 14179), (6083, 12890), (6445, 12166), (8690, 9023)]