158989820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{8707}}^1$

素因数の和:8810

約数の個数: 48

約数和(自身を含む): 368661888

約数和(自身を除く): 209672068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 4565, 8707, 9130, 17414, 18260, 34828, 43535, 87070, 95777, 174140, 191554, 383108, 478885, 722681, 957770, 1445362, 1915540, 2890724, 3613405, 7226810, 7949491, 14453620, 15898982, 31797964, 39747455, 79494910, 158989820]

約数ペア:

[(1, 158989820), (2, 79494910), (4, 39747455), (5, 31797964), (10, 15898982), (11, 14453620), (20, 7949491), (22, 7226810), (44, 3613405), (55, 2890724), (83, 1915540), (110, 1445362), (166, 957770), (220, 722681), (332, 478885), (415, 383108), (830, 191554), (913, 174140), (1660, 95777), (1826, 87070), (3652, 43535), (4565, 34828), (8707, 18260), (9130, 17414)]