77930590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 155105280

約数和(自身を除く): 77174690

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 101, 131, 155, 190, 202, 262, 310, 505, 589, 655, 1010, 1178, 1310, 1919, 2489, 2945, 3131, 3838, 4061, 4978, 5890, 6262, 8122, 9595, 12445, 13231, 15655, 19190, 20305, 24890, 26462, 31310, 40610, 59489, 66155, 77159, 118978, 132310, 154318, 251389, 297445, 385795, 410161, 502778, 594890, 771590, 820322, 1256945, 2050805, 2513890, 4101610, 7793059, 15586118, 38965295, 77930590]

約数ペア:

[(1, 77930590), (2, 38965295), (5, 15586118), (10, 7793059), (19, 4101610), (31, 2513890), (38, 2050805), (62, 1256945), (95, 820322), (101, 771590), (131, 594890), (155, 502778), (190, 410161), (202, 385795), (262, 297445), (310, 251389), (505, 154318), (589, 132310), (655, 118978), (1010, 77159), (1178, 66155), (1310, 59489), (1919, 40610), (2489, 31310), (2945, 26462), (3131, 24890), (3838, 20305), (4061, 19190), (4978, 15655), (5890, 13231), (6262, 12445), (8122, 9595)]