208173850

素因数分解:

$2^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 394849728

約数和(自身を除く): 186675878

約数列:

[1, 2, 5, 10, 25, 50, 107, 167, 214, 233, 334, 466, 535, 835, 1070, 1165, 1670, 2330, 2675, 4175, 5350, 5825, 8350, 11650, 17869, 24931, 35738, 38911, 49862, 77822, 89345, 124655, 178690, 194555, 249310, 389110, 446725, 623275, 893450, 972775, 1246550, 1945550, 4163477, 8326954, 20817385, 41634770, 104086925, 208173850]

約数ペア:

[(1, 208173850), (2, 104086925), (5, 41634770), (10, 20817385), (25, 8326954), (50, 4163477), (107, 1945550), (167, 1246550), (214, 972775), (233, 893450), (334, 623275), (466, 446725), (535, 389110), (835, 249310), (1070, 194555), (1165, 178690), (1670, 124655), (2330, 89345), (2675, 77822), (4175, 49862), (5350, 38911), (5825, 35738), (8350, 24931), (11650, 17869)]