200953990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{9817}}^1$

素因数の和:9936

約数の個数: 32

約数和(自身を含む): 381723840

約数和(自身を除く): 180769850

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 9817, 10235, 19634, 20470, 49085, 98170, 225791, 451582, 873713, 1128955, 1747426, 2257910, 4368565, 8737130, 20095399, 40190798, 100476995, 200953990]

約数ペア:

[(1, 200953990), (2, 100476995), (5, 40190798), (10, 20095399), (23, 8737130), (46, 4368565), (89, 2257910), (115, 1747426), (178, 1128955), (230, 873713), (445, 451582), (890, 225791), (2047, 98170), (4094, 49085), (9817, 20470), (10235, 19634)]