1811091700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^4\times {\mathrm{1237}}^1$

素因数の和:1295

約数の個数: 90

約数和(自身を含む): 4326543830

約数和(自身を除く): 2515452130

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 1237, 1331, 2420, 2474, 2662, 3025, 4948, 5324, 6050, 6185, 6655, 12100, 12370, 13310, 13607, 14641, 24740, 26620, 27214, 29282, 30925, 33275, 54428, 58564, 61850, 66550, 68035, 73205, 123700, 133100, 136070, 146410, 149677, 272140, 292820, 299354, 340175, 366025, 598708, 680350, 732050, 748385, 1360700, 1464100, 1496770, 1646447, 2993540, 3292894, 3741925, 6585788, 7483850, 8232235, 14967700, 16464470, 18110917, 32928940, 36221834, 41161175, 72443668, 82322350, 90554585, 164644700, 181109170, 362218340, 452772925, 905545850, 1811091700]

約数ペア:

[(1, 1811091700), (2, 905545850), (4, 452772925), (5, 362218340), (10, 181109170), (11, 164644700), (20, 90554585), (22, 82322350), (25, 72443668), (44, 41161175), (50, 36221834), (55, 32928940), (100, 18110917), (110, 16464470), (121, 14967700), (220, 8232235), (242, 7483850), (275, 6585788), (484, 3741925), (550, 3292894), (605, 2993540), (1100, 1646447), (1210, 1496770), (1237, 1464100), (1331, 1360700), (2420, 748385), (2474, 732050), (2662, 680350), (3025, 598708), (4948, 366025), (5324, 340175), (6050, 299354), (6185, 292820), (6655, 272140), (12100, 149677), (12370, 146410), (13310, 136070), (13607, 133100), (14641, 123700), (24740, 73205), (26620, 68035), (27214, 66550), (29282, 61850), (30925, 58564), (33275, 54428)]