280423850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42169}}^1$

素因数の和:42207

約数の個数: 48

約数和(自身を含む): 627489600

約数和(自身を除く): 347065750

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 3325, 6650, 42169, 84338, 210845, 295183, 421690, 590366, 801211, 1054225, 1475915, 1602422, 2108450, 2951830, 4006055, 5608477, 7379575, 8012110, 11216954, 14759150, 20030275, 28042385, 40060550, 56084770, 140211925, 280423850]

約数ペア:

[(1, 280423850), (2, 140211925), (5, 56084770), (7, 40060550), (10, 28042385), (14, 20030275), (19, 14759150), (25, 11216954), (35, 8012110), (38, 7379575), (50, 5608477), (70, 4006055), (95, 2951830), (133, 2108450), (175, 1602422), (190, 1475915), (266, 1054225), (350, 801211), (475, 590366), (665, 421690), (950, 295183), (1330, 210845), (3325, 84338), (6650, 42169)]