202872920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1201}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 472530240

約数和(自身を除く): 269657320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 164, 205, 206, 328, 410, 412, 515, 820, 824, 1030, 1201, 1640, 2060, 2402, 4120, 4223, 4804, 6005, 8446, 9608, 12010, 16892, 21115, 24020, 33784, 42230, 48040, 49241, 84460, 98482, 123703, 168920, 196964, 246205, 247406, 393928, 492410, 494812, 618515, 984820, 989624, 1237030, 1969640, 2474060, 4948120, 5071823, 10143646, 20287292, 25359115, 40574584, 50718230, 101436460, 202872920]

約数ペア:

[(1, 202872920), (2, 101436460), (4, 50718230), (5, 40574584), (8, 25359115), (10, 20287292), (20, 10143646), (40, 5071823), (41, 4948120), (82, 2474060), (103, 1969640), (164, 1237030), (205, 989624), (206, 984820), (328, 618515), (410, 494812), (412, 492410), (515, 393928), (820, 247406), (824, 246205), (1030, 196964), (1201, 168920), (1640, 123703), (2060, 98482), (2402, 84460), (4120, 49241), (4223, 48040), (4804, 42230), (6005, 33784), (8446, 24020), (9608, 21115), (12010, 16892)]