201055000

素因数分解:

$2^3\times 5^4\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 477972000

約数和(自身を除く): 276917000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 395, 500, 509, 625, 632, 790, 1000, 1018, 1250, 1580, 1975, 2036, 2500, 2545, 3160, 3950, 4072, 5000, 5090, 7900, 9875, 10180, 12725, 15800, 19750, 20360, 25450, 39500, 40211, 49375, 50900, 63625, 79000, 80422, 98750, 101800, 127250, 160844, 197500, 201055, 254500, 318125, 321688, 395000, 402110, 509000, 636250, 804220, 1005275, 1272500, 1608440, 2010550, 2545000, 4021100, 5026375, 8042200, 10052750, 20105500, 25131875, 40211000, 50263750, 100527500, 201055000]

約数ペア:

[(1, 201055000), (2, 100527500), (4, 50263750), (5, 40211000), (8, 25131875), (10, 20105500), (20, 10052750), (25, 8042200), (40, 5026375), (50, 4021100), (79, 2545000), (100, 2010550), (125, 1608440), (158, 1272500), (200, 1005275), (250, 804220), (316, 636250), (395, 509000), (500, 402110), (509, 395000), (625, 321688), (632, 318125), (790, 254500), (1000, 201055), (1018, 197500), (1250, 160844), (1580, 127250), (1975, 101800), (2036, 98750), (2500, 80422), (2545, 79000), (3160, 63625), (3950, 50900), (4072, 49375), (5000, 40211), (5090, 39500), (7900, 25450), (9875, 20360), (10180, 19750), (12725, 15800)]