90405390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{41281}}^1$

素因数の和:41364

約数の個数: 32

約数和(自身を含む): 219950496

約数和(自身を除く): 129545106

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 41281, 82562, 123843, 206405, 247686, 412810, 619215, 1238430, 3013513, 6027026, 9040539, 15067565, 18081078, 30135130, 45202695, 90405390]

約数ペア:

[(1, 90405390), (2, 45202695), (3, 30135130), (5, 18081078), (6, 15067565), (10, 9040539), (15, 6027026), (30, 3013513), (73, 1238430), (146, 619215), (219, 412810), (365, 247686), (438, 206405), (730, 123843), (1095, 82562), (2190, 41281)]