889390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:208

約数の個数: 32

約数和(自身を含む): 1751040

約数和(自身を除く): 861650

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 151, 155, 190, 302, 310, 589, 755, 1178, 1510, 2869, 2945, 4681, 5738, 5890, 9362, 14345, 23405, 28690, 46810, 88939, 177878, 444695, 889390]

約数ペア:

[(1, 889390), (2, 444695), (5, 177878), (10, 88939), (19, 46810), (31, 28690), (38, 23405), (62, 14345), (95, 9362), (151, 5890), (155, 5738), (190, 4681), (302, 2945), (310, 2869), (589, 1510), (755, 1178)]