1580931100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{16981}}^1$

素因数の和:17028

約数の個数: 108

約数和(自身を含む): 4201007160

約数和(自身を除く): 2620076060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 133, 140, 175, 190, 196, 245, 266, 350, 380, 475, 490, 532, 665, 700, 931, 950, 980, 1225, 1330, 1862, 1900, 2450, 2660, 3325, 3724, 4655, 4900, 6650, 9310, 13300, 16981, 18620, 23275, 33962, 46550, 67924, 84905, 93100, 118867, 169810, 237734, 322639, 339620, 424525, 475468, 594335, 645278, 832069, 849050, 1188670, 1290556, 1613195, 1664138, 1698100, 2258473, 2377340, 2971675, 3226390, 3328276, 4160345, 4516946, 5943350, 6452780, 8065975, 8320690, 9033892, 11292365, 11886700, 15809311, 16131950, 16641380, 20801725, 22584730, 31618622, 32263900, 41603450, 45169460, 56461825, 63237244, 79046555, 83206900, 112923650, 158093110, 225847300, 316186220, 395232775, 790465550, 1580931100]

約数ペア:

[(1, 1580931100), (2, 790465550), (4, 395232775), (5, 316186220), (7, 225847300), (10, 158093110), (14, 112923650), (19, 83206900), (20, 79046555), (25, 63237244), (28, 56461825), (35, 45169460), (38, 41603450), (49, 32263900), (50, 31618622), (70, 22584730), (76, 20801725), (95, 16641380), (98, 16131950), (100, 15809311), (133, 11886700), (140, 11292365), (175, 9033892), (190, 8320690), (196, 8065975), (245, 6452780), (266, 5943350), (350, 4516946), (380, 4160345), (475, 3328276), (490, 3226390), (532, 2971675), (665, 2377340), (700, 2258473), (931, 1698100), (950, 1664138), (980, 1613195), (1225, 1290556), (1330, 1188670), (1862, 849050), (1900, 832069), (2450, 645278), (2660, 594335), (3325, 475468), (3724, 424525), (4655, 339620), (4900, 322639), (6650, 237734), (9310, 169810), (13300, 118867), (16981, 93100), (18620, 84905), (23275, 67924), (33962, 46550)]