178865620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{16231}}^1$

素因数の和:16288

約数の個数: 48

約数和(自身を含む): 409046400

約数和(自身を除く): 230180780

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 16231, 32462, 64924, 81155, 162310, 308389, 324620, 470699, 616778, 941398, 1233556, 1541945, 1882796, 2353495, 3083890, 4706990, 6167780, 8943281, 9413980, 17886562, 35773124, 44716405, 89432810, 178865620]

約数ペア:

[(1, 178865620), (2, 89432810), (4, 44716405), (5, 35773124), (10, 17886562), (19, 9413980), (20, 8943281), (29, 6167780), (38, 4706990), (58, 3083890), (76, 2353495), (95, 1882796), (116, 1541945), (145, 1233556), (190, 941398), (290, 616778), (380, 470699), (551, 324620), (580, 308389), (1102, 162310), (2204, 81155), (2755, 64924), (5510, 32462), (11020, 16231)]