88190990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 161663040

約数和(自身を除く): 73472050

約数列:

[1, 2, 5, 10, 89, 178, 197, 394, 445, 503, 890, 985, 1006, 1970, 2515, 5030, 17533, 35066, 44767, 87665, 89534, 99091, 175330, 198182, 223835, 447670, 495455, 990910, 8819099, 17638198, 44095495, 88190990]

約数ペア:

[(1, 88190990), (2, 44095495), (5, 17638198), (10, 8819099), (89, 990910), (178, 495455), (197, 447670), (394, 223835), (445, 198182), (503, 175330), (890, 99091), (985, 89534), (1006, 87665), (1970, 44767), (2515, 35066), (5030, 17533)]