74774470

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{643}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 139799520

約数和(自身を除く): 65025050

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 401, 643, 802, 1286, 2005, 3215, 4010, 6430, 11629, 18647, 23258, 37294, 58145, 93235, 116290, 186470, 257843, 515686, 1289215, 2578430, 7477447, 14954894, 37387235, 74774470]

約数ペア:

[(1, 74774470), (2, 37387235), (5, 14954894), (10, 7477447), (29, 2578430), (58, 1289215), (145, 515686), (290, 257843), (401, 186470), (643, 116290), (802, 93235), (1286, 58145), (2005, 37294), (3215, 23258), (4010, 18647), (6430, 11629)]