252649460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4999}}^1$

素因数の和:5053

約数の個数: 72

約数和(自身を含む): 640080000

約数和(自身を除く): 387430540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1330, 1444, 1805, 2527, 2660, 3610, 4999, 5054, 7220, 9998, 10108, 12635, 19996, 24995, 25270, 34993, 49990, 50540, 69986, 94981, 99980, 139972, 174965, 189962, 349930, 379924, 474905, 664867, 699860, 949810, 1329734, 1804639, 1899620, 2659468, 3324335, 3609278, 6648670, 7218556, 9023195, 12632473, 13297340, 18046390, 25264946, 36092780, 50529892, 63162365, 126324730, 252649460]

約数ペア:

[(1, 252649460), (2, 126324730), (4, 63162365), (5, 50529892), (7, 36092780), (10, 25264946), (14, 18046390), (19, 13297340), (20, 12632473), (28, 9023195), (35, 7218556), (38, 6648670), (70, 3609278), (76, 3324335), (95, 2659468), (133, 1899620), (140, 1804639), (190, 1329734), (266, 949810), (361, 699860), (380, 664867), (532, 474905), (665, 379924), (722, 349930), (1330, 189962), (1444, 174965), (1805, 139972), (2527, 99980), (2660, 94981), (3610, 69986), (4999, 50540), (5054, 49990), (7220, 34993), (9998, 25270), (10108, 24995), (12635, 19996)]