180220355

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{641}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 257005440

約数和(自身を除く): 76785085

約数列:

[1, 5, 7, 29, 35, 145, 203, 277, 641, 1015, 1385, 1939, 3205, 4487, 8033, 9695, 18589, 22435, 40165, 56231, 92945, 130123, 177557, 281155, 650615, 887785, 1242899, 5149153, 6214495, 25745765, 36044071, 180220355]

約数ペア:

[(1, 180220355), (5, 36044071), (7, 25745765), (29, 6214495), (35, 5149153), (145, 1242899), (203, 887785), (277, 650615), (641, 281155), (1015, 177557), (1385, 130123), (1939, 92945), (3205, 56231), (4487, 40165), (8033, 22435), (9695, 18589)]