12648650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:599

約数の個数: 48

約数和(自身を含む): 27319680

約数和(自身を除く): 14671030

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 497, 509, 710, 994, 1018, 1775, 2485, 2545, 3550, 3563, 4970, 5090, 7126, 12425, 12725, 17815, 24850, 25450, 35630, 36139, 72278, 89075, 178150, 180695, 252973, 361390, 505946, 903475, 1264865, 1806950, 2529730, 6324325, 12648650]

約数ペア:

[(1, 12648650), (2, 6324325), (5, 2529730), (7, 1806950), (10, 1264865), (14, 903475), (25, 505946), (35, 361390), (50, 252973), (70, 180695), (71, 178150), (142, 89075), (175, 72278), (350, 36139), (355, 35630), (497, 25450), (509, 24850), (710, 17815), (994, 12725), (1018, 12425), (1775, 7126), (2485, 5090), (2545, 4970), (3550, 3563)]