280935280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{883}}^1$

素因数の和:1034

約数の個数: 80

約数和(自身を含む): 676769184

約数和(自身を除く): 395833904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 97, 164, 194, 205, 328, 388, 410, 485, 656, 776, 820, 883, 970, 1552, 1640, 1766, 1940, 3280, 3532, 3880, 3977, 4415, 7064, 7760, 7954, 8830, 14128, 15908, 17660, 19885, 31816, 35320, 36203, 39770, 63632, 70640, 72406, 79540, 85651, 144812, 159080, 171302, 181015, 289624, 318160, 342604, 362030, 428255, 579248, 685208, 724060, 856510, 1370416, 1448120, 1713020, 2896240, 3426040, 3511691, 6852080, 7023382, 14046764, 17558455, 28093528, 35116910, 56187056, 70233820, 140467640, 280935280]

約数ペア:

[(1, 280935280), (2, 140467640), (4, 70233820), (5, 56187056), (8, 35116910), (10, 28093528), (16, 17558455), (20, 14046764), (40, 7023382), (41, 6852080), (80, 3511691), (82, 3426040), (97, 2896240), (164, 1713020), (194, 1448120), (205, 1370416), (328, 856510), (388, 724060), (410, 685208), (485, 579248), (656, 428255), (776, 362030), (820, 342604), (883, 318160), (970, 289624), (1552, 181015), (1640, 171302), (1766, 159080), (1940, 144812), (3280, 85651), (3532, 79540), (3880, 72406), (3977, 70640), (4415, 63632), (7064, 39770), (7760, 36203), (7954, 35320), (8830, 31816), (14128, 19885), (15908, 17660)]