919100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 2479008

約数和(自身を除く): 1559908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 101, 130, 140, 175, 182, 202, 260, 325, 350, 364, 404, 455, 505, 650, 700, 707, 910, 1010, 1300, 1313, 1414, 1820, 2020, 2275, 2525, 2626, 2828, 3535, 4550, 5050, 5252, 6565, 7070, 9100, 9191, 10100, 13130, 14140, 17675, 18382, 26260, 32825, 35350, 36764, 45955, 65650, 70700, 91910, 131300, 183820, 229775, 459550, 919100]

約数ペア:

[(1, 919100), (2, 459550), (4, 229775), (5, 183820), (7, 131300), (10, 91910), (13, 70700), (14, 65650), (20, 45955), (25, 36764), (26, 35350), (28, 32825), (35, 26260), (50, 18382), (52, 17675), (65, 14140), (70, 13130), (91, 10100), (100, 9191), (101, 9100), (130, 7070), (140, 6565), (175, 5252), (182, 5050), (202, 4550), (260, 3535), (325, 2828), (350, 2626), (364, 2525), (404, 2275), (455, 2020), (505, 1820), (650, 1414), (700, 1313), (707, 1300), (910, 1010)]