1687173670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{571}}^1$

素因数の和:806

約数の個数: 128

約数和(自身を含む): 3985293312

約数和(自身を除く): 2298119642

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 191, 221, 238, 382, 442, 455, 571, 595, 910, 955, 1105, 1142, 1190, 1337, 1547, 1910, 2210, 2483, 2674, 2855, 3094, 3247, 3997, 4966, 5710, 6494, 6685, 7423, 7735, 7994, 9707, 12415, 13370, 14846, 15470, 16235, 17381, 19414, 19985, 22729, 24830, 32470, 34762, 37115, 39970, 42211, 45458, 48535, 51961, 67949, 74230, 84422, 86905, 97070, 103922, 109061, 113645, 126191, 135898, 173810, 211055, 218122, 227290, 252382, 259805, 295477, 339745, 422110, 519610, 545305, 590954, 630955, 679490, 763427, 883337, 1090610, 1261910, 1417793, 1477385, 1526854, 1766674, 1854037, 2835586, 2954770, 3708074, 3817135, 4416685, 7088965, 7634270, 8833370, 9270185, 9924551, 12978259, 14177930, 18540370, 19849102, 24102481, 25956518, 48204962, 49622755, 64891295, 99245510, 120512405, 129782590, 168717367, 241024810, 337434734, 843586835, 1687173670]

約数ペア:

[(1, 1687173670), (2, 843586835), (5, 337434734), (7, 241024810), (10, 168717367), (13, 129782590), (14, 120512405), (17, 99245510), (26, 64891295), (34, 49622755), (35, 48204962), (65, 25956518), (70, 24102481), (85, 19849102), (91, 18540370), (119, 14177930), (130, 12978259), (170, 9924551), (182, 9270185), (191, 8833370), (221, 7634270), (238, 7088965), (382, 4416685), (442, 3817135), (455, 3708074), (571, 2954770), (595, 2835586), (910, 1854037), (955, 1766674), (1105, 1526854), (1142, 1477385), (1190, 1417793), (1337, 1261910), (1547, 1090610), (1910, 883337), (2210, 763427), (2483, 679490), (2674, 630955), (2855, 590954), (3094, 545305), (3247, 519610), (3997, 422110), (4966, 339745), (5710, 295477), (6494, 259805), (6685, 252382), (7423, 227290), (7735, 218122), (7994, 211055), (9707, 173810), (12415, 135898), (13370, 126191), (14846, 113645), (15470, 109061), (16235, 103922), (17381, 97070), (19414, 86905), (19985, 84422), (22729, 74230), (24830, 67949), (32470, 51961), (34762, 48535), (37115, 45458), (39970, 42211)]