78019310

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 148916880

約数和(自身を除く): 70897570

約数列:

[1, 2, 5, 10, 37, 41, 74, 82, 139, 185, 205, 278, 370, 410, 695, 1369, 1390, 1517, 2738, 3034, 5143, 5699, 6845, 7585, 10286, 11398, 13690, 15170, 25715, 28495, 51430, 56129, 56990, 112258, 190291, 210863, 280645, 380582, 421726, 561290, 951455, 1054315, 1902910, 2108630, 7801931, 15603862, 39009655, 78019310]

約数ペア:

[(1, 78019310), (2, 39009655), (5, 15603862), (10, 7801931), (37, 2108630), (41, 1902910), (74, 1054315), (82, 951455), (139, 561290), (185, 421726), (205, 380582), (278, 280645), (370, 210863), (410, 190291), (695, 112258), (1369, 56990), (1390, 56129), (1517, 51430), (2738, 28495), (3034, 25715), (5143, 15170), (5699, 13690), (6845, 11398), (7585, 10286)]