209445493640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1\times {\mathrm{76343}}^1$

素因数の和:77102

約数の個数: 64

約数和(自身を含む): 476404882560

約数和(自身を除く): 266959388920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 641, 856, 1070, 1282, 2140, 2564, 3205, 4280, 5128, 6410, 12820, 25640, 68587, 76343, 137174, 152686, 274348, 305372, 342935, 381715, 548696, 610744, 685870, 763430, 1371740, 1526860, 2743480, 3053720, 8168701, 16337402, 32674804, 40843505, 48935863, 65349608, 81687010, 97871726, 163374020, 195743452, 244679315, 326748040, 391486904, 489358630, 978717260, 1957434520, 5236137341, 10472274682, 20944549364, 26180686705, 41889098728, 52361373410, 104722746820, 209445493640]

約数ペア:

[(1, 209445493640), (2, 104722746820), (4, 52361373410), (5, 41889098728), (8, 26180686705), (10, 20944549364), (20, 10472274682), (40, 5236137341), (107, 1957434520), (214, 978717260), (428, 489358630), (535, 391486904), (641, 326748040), (856, 244679315), (1070, 195743452), (1282, 163374020), (2140, 97871726), (2564, 81687010), (3205, 65349608), (4280, 48935863), (5128, 40843505), (6410, 32674804), (12820, 16337402), (25640, 8168701), (68587, 3053720), (76343, 2743480), (137174, 1526860), (152686, 1371740), (274348, 763430), (305372, 685870), (342935, 610744), (381715, 548696)]