2017403920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1063}}^1\times {\mathrm{3389}}^1$

素因数の和:4472

約数の個数: 80

約数和(自身を含む): 5367156480

約数和(自身を除く): 3349752560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1063, 2126, 3389, 4252, 5315, 6778, 7441, 8504, 10630, 13556, 14882, 16945, 17008, 21260, 23723, 27112, 29764, 33890, 37205, 42520, 47446, 54224, 59528, 67780, 74410, 85040, 94892, 118615, 119056, 135560, 148820, 189784, 237230, 271120, 297640, 379568, 474460, 595280, 948920, 1897840, 3602507, 7205014, 14410028, 18012535, 25217549, 28820056, 36025070, 50435098, 57640112, 72050140, 100870196, 126087745, 144100280, 201740392, 252175490, 288200560, 403480784, 504350980, 1008701960, 2017403920]

約数ペア:

[(1, 2017403920), (2, 1008701960), (4, 504350980), (5, 403480784), (7, 288200560), (8, 252175490), (10, 201740392), (14, 144100280), (16, 126087745), (20, 100870196), (28, 72050140), (35, 57640112), (40, 50435098), (56, 36025070), (70, 28820056), (80, 25217549), (112, 18012535), (140, 14410028), (280, 7205014), (560, 3602507), (1063, 1897840), (2126, 948920), (3389, 595280), (4252, 474460), (5315, 379568), (6778, 297640), (7441, 271120), (8504, 237230), (10630, 189784), (13556, 148820), (14882, 135560), (16945, 119056), (17008, 118615), (21260, 94892), (23723, 85040), (27112, 74410), (29764, 67780), (33890, 59528), (37205, 54224), (42520, 47446)]