311134480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 747653040

約数和(自身を除く): 436518560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 257, 296, 370, 409, 514, 592, 740, 818, 1028, 1285, 1480, 1636, 2045, 2056, 2570, 2960, 3272, 4090, 4112, 5140, 6544, 8180, 9509, 10280, 15133, 16360, 19018, 20560, 30266, 32720, 38036, 47545, 60532, 75665, 76072, 95090, 105113, 121064, 151330, 152144, 190180, 210226, 242128, 302660, 380360, 420452, 525565, 605320, 760720, 840904, 1051130, 1210640, 1681808, 2102260, 3889181, 4204520, 7778362, 8409040, 15556724, 19445905, 31113448, 38891810, 62226896, 77783620, 155567240, 311134480]

約数ペア:

[(1, 311134480), (2, 155567240), (4, 77783620), (5, 62226896), (8, 38891810), (10, 31113448), (16, 19445905), (20, 15556724), (37, 8409040), (40, 7778362), (74, 4204520), (80, 3889181), (148, 2102260), (185, 1681808), (257, 1210640), (296, 1051130), (370, 840904), (409, 760720), (514, 605320), (592, 525565), (740, 420452), (818, 380360), (1028, 302660), (1285, 242128), (1480, 210226), (1636, 190180), (2045, 152144), (2056, 151330), (2570, 121064), (2960, 105113), (3272, 95090), (4090, 76072), (4112, 75665), (5140, 60532), (6544, 47545), (8180, 38036), (9509, 32720), (10280, 30266), (15133, 20560), (16360, 19018)]