990144402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 2299207680

約数和(自身を除く): 1309063278

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 43, 62, 78, 86, 89, 93, 107, 129, 178, 186, 214, 258, 267, 321, 403, 534, 559, 642, 806, 1118, 1157, 1209, 1333, 1391, 1677, 2314, 2418, 2666, 2759, 2782, 3317, 3354, 3471, 3827, 3999, 4173, 4601, 5518, 6634, 6942, 7654, 7998, 8277, 8346, 9202, 9523, 9951, 11481, 13803, 16554, 17329, 19046, 19902, 22962, 27606, 28569, 34658, 35867, 43121, 49751, 51987, 57138, 59813, 71734, 86242, 99502, 103974, 107601, 118637, 119626, 123799, 129363, 142631, 149253, 179439, 215202, 237274, 247598, 258726, 285262, 295213, 298506, 355911, 358878, 371397, 409489, 427893, 590426, 711822, 742794, 818978, 855786, 885639, 1228467, 1542281, 1771278, 1854203, 2456934, 3084562, 3708406, 3837769, 4626843, 5323357, 5562609, 7675538, 9253686, 10646714, 11125218, 11513307, 12694159, 15970071, 23026614, 25388318, 31940142, 38082477, 76164954, 165024067, 330048134, 495072201, 990144402]

約数ペア:

[(1, 990144402), (2, 495072201), (3, 330048134), (6, 165024067), (13, 76164954), (26, 38082477), (31, 31940142), (39, 25388318), (43, 23026614), (62, 15970071), (78, 12694159), (86, 11513307), (89, 11125218), (93, 10646714), (107, 9253686), (129, 7675538), (178, 5562609), (186, 5323357), (214, 4626843), (258, 3837769), (267, 3708406), (321, 3084562), (403, 2456934), (534, 1854203), (559, 1771278), (642, 1542281), (806, 1228467), (1118, 885639), (1157, 855786), (1209, 818978), (1333, 742794), (1391, 711822), (1677, 590426), (2314, 427893), (2418, 409489), (2666, 371397), (2759, 358878), (2782, 355911), (3317, 298506), (3354, 295213), (3471, 285262), (3827, 258726), (3999, 247598), (4173, 237274), (4601, 215202), (5518, 179439), (6634, 149253), (6942, 142631), (7654, 129363), (7998, 123799), (8277, 119626), (8346, 118637), (9202, 107601), (9523, 103974), (9951, 99502), (11481, 86242), (13803, 71734), (16554, 59813), (17329, 57138), (19046, 51987), (19902, 49751), (22962, 43121), (27606, 35867), (28569, 34658)]