205290900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{743}}^1$

素因数の和:1070

約数の個数: 108

約数和(自身を含む): 646437792

約数和(自身を除く): 441146892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 307, 450, 614, 743, 900, 921, 1228, 1486, 1535, 1842, 2229, 2763, 2972, 3070, 3684, 3715, 4458, 4605, 5526, 6140, 6687, 7430, 7675, 8916, 9210, 11052, 11145, 13374, 13815, 14860, 15350, 18420, 18575, 22290, 23025, 26748, 27630, 30700, 33435, 37150, 44580, 46050, 55260, 55725, 66870, 69075, 74300, 92100, 111450, 133740, 138150, 167175, 222900, 228101, 276300, 334350, 456202, 668700, 684303, 912404, 1140505, 1368606, 2052909, 2281010, 2737212, 3421515, 4105818, 4562020, 5702525, 6843030, 8211636, 10264545, 11405050, 13686060, 17107575, 20529090, 22810100, 34215150, 41058180, 51322725, 68430300, 102645450, 205290900]

約数ペア:

[(1, 205290900), (2, 102645450), (3, 68430300), (4, 51322725), (5, 41058180), (6, 34215150), (9, 22810100), (10, 20529090), (12, 17107575), (15, 13686060), (18, 11405050), (20, 10264545), (25, 8211636), (30, 6843030), (36, 5702525), (45, 4562020), (50, 4105818), (60, 3421515), (75, 2737212), (90, 2281010), (100, 2052909), (150, 1368606), (180, 1140505), (225, 912404), (300, 684303), (307, 668700), (450, 456202), (614, 334350), (743, 276300), (900, 228101), (921, 222900), (1228, 167175), (1486, 138150), (1535, 133740), (1842, 111450), (2229, 92100), (2763, 74300), (2972, 69075), (3070, 66870), (3684, 55725), (3715, 55260), (4458, 46050), (4605, 44580), (5526, 37150), (6140, 33435), (6687, 30700), (7430, 27630), (7675, 26748), (8916, 23025), (9210, 22290), (11052, 18575), (11145, 18420), (13374, 15350), (13815, 14860)]