859180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:71

約数の個数: 72

約数和(自身を含む): 2304288

約数和(自身を除く): 1445108

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 323, 340, 361, 380, 476, 532, 595, 646, 665, 722, 1190, 1292, 1330, 1444, 1615, 1805, 2261, 2380, 2527, 2660, 3230, 3610, 4522, 5054, 6137, 6460, 7220, 9044, 10108, 11305, 12274, 12635, 22610, 24548, 25270, 30685, 42959, 45220, 50540, 61370, 85918, 122740, 171836, 214795, 429590, 859180]

約数ペア:

[(1, 859180), (2, 429590), (4, 214795), (5, 171836), (7, 122740), (10, 85918), (14, 61370), (17, 50540), (19, 45220), (20, 42959), (28, 30685), (34, 25270), (35, 24548), (38, 22610), (68, 12635), (70, 12274), (76, 11305), (85, 10108), (95, 9044), (119, 7220), (133, 6460), (140, 6137), (170, 5054), (190, 4522), (238, 3610), (266, 3230), (323, 2660), (340, 2527), (361, 2380), (380, 2261), (476, 1805), (532, 1615), (595, 1444), (646, 1330), (665, 1292), (722, 1190)]