916709620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:577

約数の個数: 96

約数和(自身を含む): 2075673600

約数和(自身を除く): 1158963980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 109, 115, 188, 218, 230, 235, 389, 436, 460, 470, 545, 778, 940, 1081, 1090, 1556, 1945, 2162, 2180, 2507, 3890, 4324, 5014, 5123, 5405, 7780, 8947, 10028, 10246, 10810, 12535, 17894, 18283, 20492, 21620, 25070, 25615, 35788, 36566, 42401, 44735, 50140, 51230, 73132, 84802, 89470, 91415, 102460, 117829, 169604, 178940, 182830, 212005, 235658, 365660, 420509, 424010, 471316, 589145, 841018, 848020, 975223, 1178290, 1682036, 1950446, 1992847, 2102545, 2356580, 3900892, 3985694, 4205090, 4876115, 7971388, 8410180, 9752230, 9964235, 19504460, 19928470, 39856940, 45835481, 91670962, 183341924, 229177405, 458354810, 916709620]

約数ペア:

[(1, 916709620), (2, 458354810), (4, 229177405), (5, 183341924), (10, 91670962), (20, 45835481), (23, 39856940), (46, 19928470), (47, 19504460), (92, 9964235), (94, 9752230), (109, 8410180), (115, 7971388), (188, 4876115), (218, 4205090), (230, 3985694), (235, 3900892), (389, 2356580), (436, 2102545), (460, 1992847), (470, 1950446), (545, 1682036), (778, 1178290), (940, 975223), (1081, 848020), (1090, 841018), (1556, 589145), (1945, 471316), (2162, 424010), (2180, 420509), (2507, 365660), (3890, 235658), (4324, 212005), (5014, 182830), (5123, 178940), (5405, 169604), (7780, 117829), (8947, 102460), (10028, 91415), (10246, 89470), (10810, 84802), (12535, 73132), (17894, 51230), (18283, 50140), (20492, 44735), (21620, 42401), (25070, 36566), (25615, 35788)]