2005077885

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 3445804800

約数和(自身を除く): 1440726915

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 137, 267, 285, 411, 445, 577, 685, 1335, 1691, 1731, 2055, 2603, 2885, 5073, 7809, 8455, 8655, 10963, 12193, 13015, 25365, 32889, 36579, 39045, 51353, 54815, 60965, 79049, 154059, 164445, 182895, 231667, 237147, 256765, 395245, 695001, 770295, 975707, 1158335, 1185735, 1501931, 2927121, 3475005, 4505793, 4878535, 7035361, 7509655, 14635605, 21106083, 22528965, 35176805, 105530415, 133671859, 401015577, 668359295, 2005077885]

約数ペア:

[(1, 2005077885), (3, 668359295), (5, 401015577), (15, 133671859), (19, 105530415), (57, 35176805), (89, 22528965), (95, 21106083), (137, 14635605), (267, 7509655), (285, 7035361), (411, 4878535), (445, 4505793), (577, 3475005), (685, 2927121), (1335, 1501931), (1691, 1185735), (1731, 1158335), (2055, 975707), (2603, 770295), (2885, 695001), (5073, 395245), (7809, 256765), (8455, 237147), (8655, 231667), (10963, 182895), (12193, 164445), (13015, 154059), (25365, 79049), (32889, 60965), (36579, 54815), (39045, 51353)]