402991843220

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{4483}}^1\times {\mathrm{8627}}^1$

素因数の和:13640

約数の個数: 48

約数和(自身を含む): 848194659648

約数和(自身を除く): 445202816428

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 4483, 5210, 8627, 8966, 10420, 17254, 17932, 22415, 34508, 43135, 44830, 86270, 89660, 172540, 2335643, 4494667, 4671286, 8989334, 9342572, 11678215, 17978668, 22473335, 23356430, 38674841, 44946670, 46712860, 77349682, 89893340, 154699364, 193374205, 386748410, 773496820, 20149592161, 40299184322, 80598368644, 100747960805, 201495921610, 402991843220]

約数ペア:

[(1, 402991843220), (2, 201495921610), (4, 100747960805), (5, 80598368644), (10, 40299184322), (20, 20149592161), (521, 773496820), (1042, 386748410), (2084, 193374205), (2605, 154699364), (4483, 89893340), (5210, 77349682), (8627, 46712860), (8966, 44946670), (10420, 38674841), (17254, 23356430), (17932, 22473335), (22415, 17978668), (34508, 11678215), (43135, 9342572), (44830, 8989334), (86270, 4671286), (89660, 4494667), (172540, 2335643)]