420150104

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1723}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 916064640

約数和(自身を除く): 495914536

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 163, 187, 326, 374, 652, 748, 1304, 1496, 1723, 1793, 2771, 3446, 3586, 5542, 6892, 7172, 11084, 13784, 14344, 18953, 22168, 29291, 30481, 37906, 58582, 60962, 75812, 117164, 121924, 151624, 234328, 243848, 280849, 322201, 561698, 644402, 1123396, 1288804, 2246792, 2577608, 3089339, 4774433, 6178678, 9548866, 12357356, 19097732, 24714712, 38195464, 52518763, 105037526, 210075052, 420150104]

約数ペア:

[(1, 420150104), (2, 210075052), (4, 105037526), (8, 52518763), (11, 38195464), (17, 24714712), (22, 19097732), (34, 12357356), (44, 9548866), (68, 6178678), (88, 4774433), (136, 3089339), (163, 2577608), (187, 2246792), (326, 1288804), (374, 1123396), (652, 644402), (748, 561698), (1304, 322201), (1496, 280849), (1723, 243848), (1793, 234328), (2771, 151624), (3446, 121924), (3586, 117164), (5542, 75812), (6892, 60962), (7172, 58582), (11084, 37906), (13784, 30481), (14344, 29291), (18953, 22168)]