200505550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{81839}}^1$

素因数の和:81865

約数の個数: 36

約数和(自身を含む): 433833840

約数和(自身を除く): 233328290

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 81839, 163678, 409195, 572873, 818390, 1145746, 2045975, 2864365, 4010111, 4091950, 5728730, 8020222, 14321825, 20050555, 28643650, 40101110, 100252775, 200505550]

約数ペア:

[(1, 200505550), (2, 100252775), (5, 40101110), (7, 28643650), (10, 20050555), (14, 14321825), (25, 8020222), (35, 5728730), (49, 4091950), (50, 4010111), (70, 2864365), (98, 2045975), (175, 1145746), (245, 818390), (350, 572873), (490, 409195), (1225, 163678), (2450, 81839)]