28495850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 27750550

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 71, 115, 142, 230, 349, 355, 575, 698, 710, 1150, 1633, 1745, 1775, 3266, 3490, 3550, 8027, 8165, 8725, 16054, 16330, 17450, 24779, 40135, 40825, 49558, 80270, 81650, 123895, 200675, 247790, 401350, 569917, 619475, 1139834, 1238950, 2849585, 5699170, 14247925, 28495850]

約数ペア:

[(1, 28495850), (2, 14247925), (5, 5699170), (10, 2849585), (23, 1238950), (25, 1139834), (46, 619475), (50, 569917), (71, 401350), (115, 247790), (142, 200675), (230, 123895), (349, 81650), (355, 80270), (575, 49558), (698, 40825), (710, 40135), (1150, 24779), (1633, 17450), (1745, 16330), (1775, 16054), (3266, 8725), (3490, 8165), (3550, 8027)]