2019202900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{419}}^1$

素因数の和:794

約数の個数: 144

約数和(自身を含む): 5175293760

約数和(自身を除く): 3156090860

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 337, 419, 550, 572, 650, 674, 715, 838, 1100, 1300, 1348, 1430, 1676, 1685, 2095, 2860, 3370, 3575, 3707, 4190, 4381, 4609, 5447, 6740, 7150, 7414, 8380, 8425, 8762, 9218, 10475, 10894, 14300, 14828, 16850, 17524, 18436, 18535, 20950, 21788, 21905, 23045, 27235, 33700, 37070, 41900, 43810, 46090, 48191, 54470, 59917, 74140, 87620, 92180, 92675, 96382, 108940, 109525, 115225, 119834, 136175, 141203, 185350, 192764, 219050, 230450, 239668, 240955, 272350, 282406, 299585, 370700, 438100, 460900, 481910, 544700, 564812, 599170, 706015, 963820, 1198340, 1204775, 1412030, 1497925, 1553233, 1835639, 2409550, 2824060, 2995850, 3106466, 3530075, 3671278, 4819100, 5991700, 6212932, 7060150, 7342556, 7766165, 9178195, 14120300, 15532330, 18356390, 20192029, 31064660, 36712780, 38830825, 40384058, 45890975, 77661650, 80768116, 91781950, 100960145, 155323300, 183563900, 201920290, 403840580, 504800725, 1009601450, 2019202900]

約数ペア:

[(1, 2019202900), (2, 1009601450), (4, 504800725), (5, 403840580), (10, 201920290), (11, 183563900), (13, 155323300), (20, 100960145), (22, 91781950), (25, 80768116), (26, 77661650), (44, 45890975), (50, 40384058), (52, 38830825), (55, 36712780), (65, 31064660), (100, 20192029), (110, 18356390), (130, 15532330), (143, 14120300), (220, 9178195), (260, 7766165), (275, 7342556), (286, 7060150), (325, 6212932), (337, 5991700), (419, 4819100), (550, 3671278), (572, 3530075), (650, 3106466), (674, 2995850), (715, 2824060), (838, 2409550), (1100, 1835639), (1300, 1553233), (1348, 1497925), (1430, 1412030), (1676, 1204775), (1685, 1198340), (2095, 963820), (2860, 706015), (3370, 599170), (3575, 564812), (3707, 544700), (4190, 481910), (4381, 460900), (4609, 438100), (5447, 370700), (6740, 299585), (7150, 282406), (7414, 272350), (8380, 240955), (8425, 239668), (8762, 230450), (9218, 219050), (10475, 192764), (10894, 185350), (14300, 141203), (14828, 136175), (16850, 119834), (17524, 115225), (18436, 109525), (18535, 108940), (20950, 96382), (21788, 92675), (21905, 92180), (23045, 87620), (27235, 74140), (33700, 59917), (37070, 54470), (41900, 48191), (43810, 46090)]