225230920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 520914240

約数和(自身を除く): 295683320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 131, 212, 262, 265, 424, 524, 530, 655, 811, 1048, 1060, 1310, 1622, 2120, 2620, 3244, 4055, 5240, 6488, 6943, 8110, 13886, 16220, 27772, 32440, 34715, 42983, 55544, 69430, 85966, 106241, 138860, 171932, 212482, 214915, 277720, 343864, 424964, 429830, 531205, 849928, 859660, 1062410, 1719320, 2124820, 4249640, 5630773, 11261546, 22523092, 28153865, 45046184, 56307730, 112615460, 225230920]

約数ペア:

[(1, 225230920), (2, 112615460), (4, 56307730), (5, 45046184), (8, 28153865), (10, 22523092), (20, 11261546), (40, 5630773), (53, 4249640), (106, 2124820), (131, 1719320), (212, 1062410), (262, 859660), (265, 849928), (424, 531205), (524, 429830), (530, 424964), (655, 343864), (811, 277720), (1048, 214915), (1060, 212482), (1310, 171932), (1622, 138860), (2120, 106241), (2620, 85966), (3244, 69430), (4055, 55544), (5240, 42983), (6488, 34715), (6943, 32440), (8110, 27772), (13886, 16220)]