490390705

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 742883328

約数和(自身を除く): 252492623

約数列:

[1, 5, 7, 23, 31, 35, 43, 115, 155, 161, 215, 217, 301, 457, 713, 805, 989, 1085, 1333, 1505, 2285, 3199, 3565, 4945, 4991, 6665, 6923, 9331, 10511, 14167, 15995, 19651, 24955, 30659, 34615, 46655, 52555, 70835, 73577, 98255, 99169, 137557, 153295, 214613, 325841, 367885, 451973, 495845, 609181, 687785, 1073065, 1629205, 2259865, 2280887, 3045905, 3163811, 4264267, 11404435, 14011163, 15819055, 21321335, 70055815, 98078141, 490390705]

約数ペア:

[(1, 490390705), (5, 98078141), (7, 70055815), (23, 21321335), (31, 15819055), (35, 14011163), (43, 11404435), (115, 4264267), (155, 3163811), (161, 3045905), (215, 2280887), (217, 2259865), (301, 1629205), (457, 1073065), (713, 687785), (805, 609181), (989, 495845), (1085, 451973), (1333, 367885), (1505, 325841), (2285, 214613), (3199, 153295), (3565, 137557), (4945, 99169), (4991, 98255), (6665, 73577), (6923, 70835), (9331, 52555), (10511, 46655), (14167, 34615), (15995, 30659), (19651, 24955)]