28550480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2999}}^1$

素因数の和:3036

約数の個数: 80

約数和(自身を含む): 80352000

約数和(自身を除く): 51801520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 2999, 4760, 5998, 9520, 11996, 14995, 20993, 23992, 29990, 41986, 47984, 50983, 59980, 83972, 101966, 104965, 119960, 167944, 203932, 209930, 239920, 254915, 335888, 356881, 407864, 419860, 509830, 713762, 815728, 839720, 1019660, 1427524, 1679440, 1784405, 2039320, 2855048, 3568810, 4078640, 5710096, 7137620, 14275240, 28550480]

約数ペア:

[(1, 28550480), (2, 14275240), (4, 7137620), (5, 5710096), (7, 4078640), (8, 3568810), (10, 2855048), (14, 2039320), (16, 1784405), (17, 1679440), (20, 1427524), (28, 1019660), (34, 839720), (35, 815728), (40, 713762), (56, 509830), (68, 419860), (70, 407864), (80, 356881), (85, 335888), (112, 254915), (119, 239920), (136, 209930), (140, 203932), (170, 167944), (238, 119960), (272, 104965), (280, 101966), (340, 83972), (476, 59980), (560, 50983), (595, 47984), (680, 41986), (952, 29990), (1190, 23992), (1360, 20993), (1904, 14995), (2380, 11996), (2999, 9520), (4760, 5998)]