389601920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{35809}}^1$

素因数の和:35845

約数の個数: 64

約数和(自身を含む): 986207400

約数和(自身を除く): 596605480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 35809, 71618, 143236, 179045, 286472, 358090, 572944, 608753, 716180, 1145888, 1217506, 1432360, 2291776, 2435012, 2864720, 3043765, 4583552, 4870024, 5729440, 6087530, 9740048, 11458880, 12175060, 19480096, 22917760, 24350120, 38960192, 48700240, 77920384, 97400480, 194800960, 389601920]

約数ペア:

[(1, 389601920), (2, 194800960), (4, 97400480), (5, 77920384), (8, 48700240), (10, 38960192), (16, 24350120), (17, 22917760), (20, 19480096), (32, 12175060), (34, 11458880), (40, 9740048), (64, 6087530), (68, 5729440), (80, 4870024), (85, 4583552), (128, 3043765), (136, 2864720), (160, 2435012), (170, 2291776), (272, 1432360), (320, 1217506), (340, 1145888), (544, 716180), (640, 608753), (680, 572944), (1088, 358090), (1360, 286472), (2176, 179045), (2720, 143236), (5440, 71618), (10880, 35809)]