199702940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{643}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 429414048

約数和(自身を除く): 229711108

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 293, 530, 586, 643, 1060, 1172, 1286, 1465, 2572, 2930, 3215, 5860, 6430, 12860, 15529, 31058, 34079, 62116, 68158, 77645, 136316, 155290, 170395, 188399, 310580, 340790, 376798, 681580, 753596, 941995, 1883990, 3767980, 9985147, 19970294, 39940588, 49925735, 99851470, 199702940]

約数ペア:

[(1, 199702940), (2, 99851470), (4, 49925735), (5, 39940588), (10, 19970294), (20, 9985147), (53, 3767980), (106, 1883990), (212, 941995), (265, 753596), (293, 681580), (530, 376798), (586, 340790), (643, 310580), (1060, 188399), (1172, 170395), (1286, 155290), (1465, 136316), (2572, 77645), (2930, 68158), (3215, 62116), (5860, 34079), (6430, 31058), (12860, 15529)]