258889670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1689

約数の個数: 64

約数和(自身を含む): 531558720

約数和(自身を除く): 272669050

約数列:

[1, 2, 5, 10, 13, 26, 29, 43, 58, 65, 86, 130, 145, 215, 290, 377, 430, 559, 754, 1118, 1247, 1597, 1885, 2494, 2795, 3194, 3770, 5590, 6235, 7985, 12470, 15970, 16211, 20761, 32422, 41522, 46313, 68671, 81055, 92626, 103805, 137342, 162110, 207610, 231565, 343355, 463130, 602069, 686710, 892723, 1204138, 1785446, 1991459, 3010345, 3982918, 4463615, 6020690, 8927230, 9957295, 19914590, 25888967, 51777934, 129444835, 258889670]

約数ペア:

[(1, 258889670), (2, 129444835), (5, 51777934), (10, 25888967), (13, 19914590), (26, 9957295), (29, 8927230), (43, 6020690), (58, 4463615), (65, 3982918), (86, 3010345), (130, 1991459), (145, 1785446), (215, 1204138), (290, 892723), (377, 686710), (430, 602069), (559, 463130), (754, 343355), (1118, 231565), (1247, 207610), (1597, 162110), (1885, 137342), (2494, 103805), (2795, 92626), (3194, 81055), (3770, 68671), (5590, 46313), (6235, 41522), (7985, 32422), (12470, 20761), (15970, 16211)]