716572540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{1279}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 1525708800

約数和(自身を除く): 809136260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 257, 436, 514, 545, 1028, 1090, 1279, 1285, 2180, 2558, 2570, 5116, 5140, 6395, 12790, 25580, 28013, 56026, 112052, 139411, 140065, 278822, 280130, 328703, 557644, 560260, 657406, 697055, 1314812, 1394110, 1643515, 2788220, 3287030, 6574060, 35828627, 71657254, 143314508, 179143135, 358286270, 716572540]

約数ペア:

[(1, 716572540), (2, 358286270), (4, 179143135), (5, 143314508), (10, 71657254), (20, 35828627), (109, 6574060), (218, 3287030), (257, 2788220), (436, 1643515), (514, 1394110), (545, 1314812), (1028, 697055), (1090, 657406), (1279, 560260), (1285, 557644), (2180, 328703), (2558, 280130), (2570, 278822), (5116, 140065), (5140, 139411), (6395, 112052), (12790, 56026), (25580, 28013)]