207980650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2999}}^1$

素因数の和:3103

約数の個数: 48

約数和(自身を含む): 412920000

約数和(自身を除く): 204939350

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 73, 95, 146, 190, 365, 475, 730, 950, 1387, 1825, 2774, 2999, 3650, 5998, 6935, 13870, 14995, 29990, 34675, 56981, 69350, 74975, 113962, 149950, 218927, 284905, 437854, 569810, 1094635, 1424525, 2189270, 2849050, 4159613, 5473175, 8319226, 10946350, 20798065, 41596130, 103990325, 207980650]

約数ペア:

[(1, 207980650), (2, 103990325), (5, 41596130), (10, 20798065), (19, 10946350), (25, 8319226), (38, 5473175), (50, 4159613), (73, 2849050), (95, 2189270), (146, 1424525), (190, 1094635), (365, 569810), (475, 437854), (730, 284905), (950, 218927), (1387, 149950), (1825, 113962), (2774, 74975), (2999, 69350), (3650, 56981), (5998, 34675), (6935, 29990), (13870, 14995)]