201115970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20543}}^1$

素因数の和:20650

約数の個数: 32

約数和(自身を含む): 399375360

約数和(自身を除く): 198259390

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 20543, 41086, 102715, 205430, 225973, 451946, 1129865, 1828327, 2259730, 3656654, 9141635, 18283270, 20111597, 40223194, 100557985, 201115970]

約数ペア:

[(1, 201115970), (2, 100557985), (5, 40223194), (10, 20111597), (11, 18283270), (22, 9141635), (55, 3656654), (89, 2259730), (110, 1828327), (178, 1129865), (445, 451946), (890, 225973), (979, 205430), (1958, 102715), (4895, 41086), (9790, 20543)]