381411290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 792747648

約数和(自身を除く): 411336358

約数列:

[1, 2, 5, 10, 13, 26, 31, 43, 62, 65, 71, 86, 130, 142, 155, 215, 310, 355, 403, 430, 559, 710, 806, 923, 961, 1118, 1333, 1846, 1922, 2015, 2201, 2666, 2795, 3053, 4030, 4402, 4615, 4805, 5590, 6106, 6665, 9230, 9610, 11005, 12493, 13330, 15265, 17329, 22010, 24986, 28613, 30530, 34658, 39689, 41323, 57226, 62465, 68231, 79378, 82646, 86645, 94643, 124930, 136462, 143065, 173290, 189286, 198445, 206615, 286130, 341155, 396890, 413230, 473215, 537199, 682310, 887003, 946430, 1074398, 1230359, 1774006, 2460718, 2685995, 2933933, 4435015, 5371990, 5867866, 6151795, 8870030, 12303590, 14669665, 29339330, 38141129, 76282258, 190705645, 381411290]

約数ペア:

[(1, 381411290), (2, 190705645), (5, 76282258), (10, 38141129), (13, 29339330), (26, 14669665), (31, 12303590), (43, 8870030), (62, 6151795), (65, 5867866), (71, 5371990), (86, 4435015), (130, 2933933), (142, 2685995), (155, 2460718), (215, 1774006), (310, 1230359), (355, 1074398), (403, 946430), (430, 887003), (559, 682310), (710, 537199), (806, 473215), (923, 413230), (961, 396890), (1118, 341155), (1333, 286130), (1846, 206615), (1922, 198445), (2015, 189286), (2201, 173290), (2666, 143065), (2795, 136462), (3053, 124930), (4030, 94643), (4402, 86645), (4615, 82646), (4805, 79378), (5590, 68231), (6106, 62465), (6665, 57226), (9230, 41323), (9610, 39689), (11005, 34658), (12493, 30530), (13330, 28613), (15265, 24986), (17329, 22010)]