28900550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1253

約数の個数: 48

約数和(自身を含む): 62353152

約数和(自身を除く): 33452602

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 497, 710, 994, 1163, 1775, 2326, 2485, 3550, 4970, 5815, 8141, 11630, 12425, 16282, 24850, 29075, 40705, 58150, 81410, 82573, 165146, 203525, 407050, 412865, 578011, 825730, 1156022, 2064325, 2890055, 4128650, 5780110, 14450275, 28900550]

約数ペア:

[(1, 28900550), (2, 14450275), (5, 5780110), (7, 4128650), (10, 2890055), (14, 2064325), (25, 1156022), (35, 825730), (50, 578011), (70, 412865), (71, 407050), (142, 203525), (175, 165146), (350, 82573), (355, 81410), (497, 58150), (710, 40705), (994, 29075), (1163, 24850), (1775, 16282), (2326, 12425), (2485, 11630), (3550, 8141), (4970, 5815)]