839969195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 1209600000

約数和(自身を除く): 369630805

約数列:

[1, 5, 13, 19, 29, 47, 65, 95, 145, 235, 247, 377, 499, 551, 611, 893, 1235, 1363, 1885, 2495, 2755, 3055, 4465, 6487, 6815, 7163, 9481, 11609, 14471, 17719, 23453, 25897, 32435, 35815, 47405, 58045, 72355, 88595, 117265, 123253, 129485, 188123, 274949, 304889, 336661, 445607, 616265, 680137, 940615, 1374745, 1524445, 1683305, 2228035, 3400685, 3574337, 5792891, 8841781, 12922603, 17871685, 28964455, 44208905, 64613015, 167993839, 839969195]

約数ペア:

[(1, 839969195), (5, 167993839), (13, 64613015), (19, 44208905), (29, 28964455), (47, 17871685), (65, 12922603), (95, 8841781), (145, 5792891), (235, 3574337), (247, 3400685), (377, 2228035), (499, 1683305), (551, 1524445), (611, 1374745), (893, 940615), (1235, 680137), (1363, 616265), (1885, 445607), (2495, 336661), (2755, 304889), (3055, 274949), (4465, 188123), (6487, 129485), (6815, 123253), (7163, 117265), (9481, 88595), (11609, 72355), (14471, 58045), (17719, 47405), (23453, 35815), (25897, 32435)]