201914860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2243}}^1$

素因数の和:2902

約数の個数: 48

約数和(自身を含む): 485565696

約数和(自身を除く): 283650836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 1286, 2243, 2572, 3215, 4486, 4501, 6430, 8972, 9002, 11215, 12860, 15701, 18004, 22430, 22505, 31402, 44860, 45010, 62804, 78505, 90020, 157010, 314020, 1442249, 2884498, 5768996, 7211245, 10095743, 14422490, 20191486, 28844980, 40382972, 50478715, 100957430, 201914860]

約数ペア:

[(1, 201914860), (2, 100957430), (4, 50478715), (5, 40382972), (7, 28844980), (10, 20191486), (14, 14422490), (20, 10095743), (28, 7211245), (35, 5768996), (70, 2884498), (140, 1442249), (643, 314020), (1286, 157010), (2243, 90020), (2572, 78505), (3215, 62804), (4486, 45010), (4501, 44860), (6430, 31402), (8972, 22505), (9002, 22430), (11215, 18004), (12860, 15701)]