389982140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{8101}}^1$

素因数の和:8222

約数の個数: 48

約数和(自身を含む): 857515680

約数和(自身を除く): 467533540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 290, 332, 415, 580, 830, 1660, 2407, 4814, 8101, 9628, 12035, 16202, 24070, 32404, 40505, 48140, 81010, 162020, 234929, 469858, 672383, 939716, 1174645, 1344766, 2349290, 2689532, 3361915, 4698580, 6723830, 13447660, 19499107, 38998214, 77996428, 97495535, 194991070, 389982140]

約数ペア:

[(1, 389982140), (2, 194991070), (4, 97495535), (5, 77996428), (10, 38998214), (20, 19499107), (29, 13447660), (58, 6723830), (83, 4698580), (116, 3361915), (145, 2689532), (166, 2349290), (290, 1344766), (332, 1174645), (415, 939716), (580, 672383), (830, 469858), (1660, 234929), (2407, 162020), (4814, 81010), (8101, 48140), (9628, 40505), (12035, 32404), (16202, 24070)]