28857950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 59460480

約数和(自身を除く): 30602530

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 275, 355, 550, 710, 739, 781, 1478, 1562, 1775, 3550, 3695, 3905, 7390, 7810, 8129, 16258, 18475, 19525, 36950, 39050, 40645, 52469, 81290, 104938, 203225, 262345, 406450, 524690, 577159, 1154318, 1311725, 2623450, 2885795, 5771590, 14428975, 28857950]

約数ペア:

[(1, 28857950), (2, 14428975), (5, 5771590), (10, 2885795), (11, 2623450), (22, 1311725), (25, 1154318), (50, 577159), (55, 524690), (71, 406450), (110, 262345), (142, 203225), (275, 104938), (355, 81290), (550, 52469), (710, 40645), (739, 39050), (781, 36950), (1478, 19525), (1562, 18475), (1775, 16258), (3550, 8129), (3695, 7810), (3905, 7390)]