233920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:77

約数の個数: 56

約数和(自身を含む): 603504

約数和(自身を除く): 369584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 136, 160, 170, 172, 215, 272, 320, 340, 344, 430, 544, 680, 688, 731, 860, 1088, 1360, 1376, 1462, 1720, 2720, 2752, 2924, 3440, 3655, 5440, 5848, 6880, 7310, 11696, 13760, 14620, 23392, 29240, 46784, 58480, 116960, 233920]

約数ペア:

[(1, 233920), (2, 116960), (4, 58480), (5, 46784), (8, 29240), (10, 23392), (16, 14620), (17, 13760), (20, 11696), (32, 7310), (34, 6880), (40, 5848), (43, 5440), (64, 3655), (68, 3440), (80, 2924), (85, 2752), (86, 2720), (136, 1720), (160, 1462), (170, 1376), (172, 1360), (215, 1088), (272, 860), (320, 731), (340, 688), (344, 680), (430, 544)]