291244760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 676257120

約数和(自身を除く): 385012360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 307, 370, 614, 641, 740, 1228, 1282, 1480, 1535, 2456, 2564, 3070, 3205, 5128, 6140, 6410, 11359, 12280, 12820, 22718, 23717, 25640, 45436, 47434, 56795, 90872, 94868, 113590, 118585, 189736, 196787, 227180, 237170, 393574, 454360, 474340, 787148, 948680, 983935, 1574296, 1967870, 3935740, 7281119, 7871480, 14562238, 29124476, 36405595, 58248952, 72811190, 145622380, 291244760]

約数ペア:

[(1, 291244760), (2, 145622380), (4, 72811190), (5, 58248952), (8, 36405595), (10, 29124476), (20, 14562238), (37, 7871480), (40, 7281119), (74, 3935740), (148, 1967870), (185, 1574296), (296, 983935), (307, 948680), (370, 787148), (614, 474340), (641, 454360), (740, 393574), (1228, 237170), (1282, 227180), (1480, 196787), (1535, 189736), (2456, 118585), (2564, 113590), (3070, 94868), (3205, 90872), (5128, 56795), (6140, 47434), (6410, 45436), (11359, 25640), (12280, 23717), (12820, 22718)]