2019989650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:668

約数の個数: 96

約数和(自身を含む): 4377934080

約数和(自身を除く): 2357944430

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 103, 137, 175, 206, 274, 350, 409, 515, 685, 721, 818, 959, 1030, 1370, 1442, 1918, 2045, 2575, 2863, 3425, 3605, 4090, 4795, 5150, 5726, 6850, 7210, 9590, 10225, 14111, 14315, 18025, 20450, 23975, 28222, 28630, 36050, 42127, 47950, 56033, 70555, 71575, 84254, 98777, 112066, 141110, 143150, 197554, 210635, 280165, 294889, 352775, 392231, 421270, 493885, 560330, 589778, 705550, 784462, 987770, 1053175, 1400825, 1474445, 1961155, 2106350, 2469425, 2801650, 2948890, 3922310, 4938850, 5771399, 7372225, 9805775, 11542798, 14744450, 19611550, 28856995, 40399793, 57713990, 80799586, 144284975, 201998965, 288569950, 403997930, 1009994825, 2019989650]

約数ペア:

[(1, 2019989650), (2, 1009994825), (5, 403997930), (7, 288569950), (10, 201998965), (14, 144284975), (25, 80799586), (35, 57713990), (50, 40399793), (70, 28856995), (103, 19611550), (137, 14744450), (175, 11542798), (206, 9805775), (274, 7372225), (350, 5771399), (409, 4938850), (515, 3922310), (685, 2948890), (721, 2801650), (818, 2469425), (959, 2106350), (1030, 1961155), (1370, 1474445), (1442, 1400825), (1918, 1053175), (2045, 987770), (2575, 784462), (2863, 705550), (3425, 589778), (3605, 560330), (4090, 493885), (4795, 421270), (5150, 392231), (5726, 352775), (6850, 294889), (7210, 280165), (9590, 210635), (10225, 197554), (14111, 143150), (14315, 141110), (18025, 112066), (20450, 98777), (23975, 84254), (28222, 71575), (28630, 70555), (36050, 56033), (42127, 47950)]