279589480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5791}}^1$

素因数の和:5890

約数の個数: 64

約数和(自身を含む): 675578880

約数和(自身を除く): 395989400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1420, 2414, 2840, 4828, 5791, 6035, 9656, 11582, 12070, 23164, 24140, 28955, 46328, 48280, 57910, 98447, 115820, 196894, 231640, 393788, 411161, 492235, 787576, 822322, 984470, 1644644, 1968940, 2055805, 3289288, 3937880, 4111610, 6989737, 8223220, 13979474, 16446440, 27958948, 34948685, 55917896, 69897370, 139794740, 279589480]

約数ペア:

[(1, 279589480), (2, 139794740), (4, 69897370), (5, 55917896), (8, 34948685), (10, 27958948), (17, 16446440), (20, 13979474), (34, 8223220), (40, 6989737), (68, 4111610), (71, 3937880), (85, 3289288), (136, 2055805), (142, 1968940), (170, 1644644), (284, 984470), (340, 822322), (355, 787576), (568, 492235), (680, 411161), (710, 393788), (1207, 231640), (1420, 196894), (2414, 115820), (2840, 98447), (4828, 57910), (5791, 48280), (6035, 46328), (9656, 28955), (11582, 24140), (12070, 23164)]