68139950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 133022736

約数和(自身を除く): 64882786

約数列:

[1, 2, 5, 10, 25, 41, 43, 50, 82, 86, 205, 215, 410, 430, 773, 1025, 1075, 1546, 1763, 2050, 2150, 3526, 3865, 7730, 8815, 17630, 19325, 31693, 33239, 38650, 44075, 63386, 66478, 88150, 158465, 166195, 316930, 332390, 792325, 830975, 1362799, 1584650, 1661950, 2725598, 6813995, 13627990, 34069975, 68139950]

約数ペア:

[(1, 68139950), (2, 34069975), (5, 13627990), (10, 6813995), (25, 2725598), (41, 1661950), (43, 1584650), (50, 1362799), (82, 830975), (86, 792325), (205, 332390), (215, 316930), (410, 166195), (430, 158465), (773, 88150), (1025, 66478), (1075, 63386), (1546, 44075), (1763, 38650), (2050, 33239), (2150, 31693), (3526, 19325), (3865, 17630), (7730, 8815)]