291276320

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9241}}^1$

素因数の和:9453

約数の個数: 48

約数和(自身を含む): 691708248

約数和(自身を除く): 400431928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 6304, 7880, 9241, 15760, 18482, 31520, 36964, 46205, 73928, 92410, 147856, 184820, 295712, 369640, 739280, 1478560, 1820477, 3640954, 7281908, 9102385, 14563816, 18204770, 29127632, 36409540, 58255264, 72819080, 145638160, 291276320]

約数ペア:

[(1, 291276320), (2, 145638160), (4, 72819080), (5, 58255264), (8, 36409540), (10, 29127632), (16, 18204770), (20, 14563816), (32, 9102385), (40, 7281908), (80, 3640954), (160, 1820477), (197, 1478560), (394, 739280), (788, 369640), (985, 295712), (1576, 184820), (1970, 147856), (3152, 92410), (3940, 73928), (6304, 46205), (7880, 36964), (9241, 31520), (15760, 18482)]