291230420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{4259}}^1$

素因数の和:4544

約数の個数: 48

約数和(自身を含む): 661288320

約数和(自身を除く): 370057900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 1052, 1315, 2630, 3419, 4259, 5260, 6838, 8518, 13676, 17036, 17095, 21295, 34190, 42590, 55367, 68380, 85180, 110734, 221468, 276835, 553670, 1107340, 1120117, 2240234, 4480468, 5600585, 11201170, 14561521, 22402340, 29123042, 58246084, 72807605, 145615210, 291230420]

約数ペア:

[(1, 291230420), (2, 145615210), (4, 72807605), (5, 58246084), (10, 29123042), (13, 22402340), (20, 14561521), (26, 11201170), (52, 5600585), (65, 4480468), (130, 2240234), (260, 1120117), (263, 1107340), (526, 553670), (1052, 276835), (1315, 221468), (2630, 110734), (3419, 85180), (4259, 68380), (5260, 55367), (6838, 42590), (8518, 34190), (13676, 21295), (17036, 17095)]