42978490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2789}}^1$

素因数の和:2886

約数の個数: 32

約数和(自身を含む): 81959040

約数和(自身を除く): 38980550

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1541, 2789, 3082, 5578, 7705, 13945, 15410, 27890, 64147, 128294, 186863, 320735, 373726, 641470, 934315, 1868630, 4297849, 8595698, 21489245, 42978490]

約数ペア:

[(1, 42978490), (2, 21489245), (5, 8595698), (10, 4297849), (23, 1868630), (46, 934315), (67, 641470), (115, 373726), (134, 320735), (230, 186863), (335, 128294), (670, 64147), (1541, 27890), (2789, 15410), (3082, 13945), (5578, 7705)]