28954400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2129}}^1$

素因数の和:2166

約数の個数: 72

約数和(自身を含む): 74878020

約数和(自身を除く): 45923620

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 1360, 1700, 2129, 2720, 3400, 4258, 6800, 8516, 10645, 13600, 17032, 21290, 34064, 36193, 42580, 53225, 68128, 72386, 85160, 106450, 144772, 170320, 180965, 212900, 289544, 340640, 361930, 425800, 579088, 723860, 851600, 904825, 1158176, 1447720, 1703200, 1809650, 2895440, 3619300, 5790880, 7238600, 14477200, 28954400]

約数ペア:

[(1, 28954400), (2, 14477200), (4, 7238600), (5, 5790880), (8, 3619300), (10, 2895440), (16, 1809650), (17, 1703200), (20, 1447720), (25, 1158176), (32, 904825), (34, 851600), (40, 723860), (50, 579088), (68, 425800), (80, 361930), (85, 340640), (100, 289544), (136, 212900), (160, 180965), (170, 170320), (200, 144772), (272, 106450), (340, 85160), (400, 72386), (425, 68128), (544, 53225), (680, 42580), (800, 36193), (850, 34064), (1360, 21290), (1700, 17032), (2129, 13600), (2720, 10645), (3400, 8516), (4258, 6800)]