349537520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{449}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 839678400

約数和(自身を除く): 490140880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 263, 296, 370, 449, 526, 592, 740, 898, 1052, 1315, 1480, 1796, 2104, 2245, 2630, 2960, 3592, 4208, 4490, 5260, 7184, 8980, 9731, 10520, 16613, 17960, 19462, 21040, 33226, 35920, 38924, 48655, 66452, 77848, 83065, 97310, 118087, 132904, 155696, 166130, 194620, 236174, 265808, 332260, 389240, 472348, 590435, 664520, 778480, 944696, 1180870, 1329040, 1889392, 2361740, 4369219, 4723480, 8738438, 9446960, 17476876, 21846095, 34953752, 43692190, 69907504, 87384380, 174768760, 349537520]

約数ペア:

[(1, 349537520), (2, 174768760), (4, 87384380), (5, 69907504), (8, 43692190), (10, 34953752), (16, 21846095), (20, 17476876), (37, 9446960), (40, 8738438), (74, 4723480), (80, 4369219), (148, 2361740), (185, 1889392), (263, 1329040), (296, 1180870), (370, 944696), (449, 778480), (526, 664520), (592, 590435), (740, 472348), (898, 389240), (1052, 332260), (1315, 265808), (1480, 236174), (1796, 194620), (2104, 166130), (2245, 155696), (2630, 132904), (2960, 118087), (3592, 97310), (4208, 83065), (4490, 77848), (5260, 66452), (7184, 48655), (8980, 38924), (9731, 35920), (10520, 33226), (16613, 21040), (17960, 19462)]