89978990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{5839}}^1$

素因数の和:5936

約数の個数: 32

約数和(自身を含む): 171555840

約数和(自身を除く): 81576850

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1541, 3082, 5839, 7705, 11678, 15410, 29195, 58390, 134297, 268594, 391213, 671485, 782426, 1342970, 1956065, 3912130, 8997899, 17995798, 44989495, 89978990]

約数ペア:

[(1, 89978990), (2, 44989495), (5, 17995798), (10, 8997899), (23, 3912130), (46, 1956065), (67, 1342970), (115, 782426), (134, 671485), (230, 391213), (335, 268594), (670, 134297), (1541, 58390), (3082, 29195), (5839, 15410), (7705, 11678)]