211399420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{13229}}^1$

素因数の和:13302

約数の個数: 48

約数和(自身を含む): 480090240

約数和(自身を除く): 268690820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 13229, 15980, 26458, 52916, 66145, 132290, 224893, 264580, 449786, 621763, 899572, 1124465, 1243526, 2248930, 2487052, 3108815, 4497860, 6217630, 10569971, 12435260, 21139942, 42279884, 52849855, 105699710, 211399420]

約数ペア:

[(1, 211399420), (2, 105699710), (4, 52849855), (5, 42279884), (10, 21139942), (17, 12435260), (20, 10569971), (34, 6217630), (47, 4497860), (68, 3108815), (85, 2487052), (94, 2248930), (170, 1243526), (188, 1124465), (235, 899572), (340, 621763), (470, 449786), (799, 264580), (940, 224893), (1598, 132290), (3196, 66145), (3995, 52916), (7990, 26458), (13229, 15980)]