78888700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2473}}^1$

素因数の和:2527

約数の個数: 72

約数和(自身を含む): 193268880

約数和(自身を除く): 114380180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 2473, 2900, 3190, 4946, 6380, 7975, 9892, 12365, 15950, 24730, 27203, 31900, 49460, 54406, 61825, 71717, 108812, 123650, 136015, 143434, 247300, 272030, 286868, 358585, 544060, 680075, 717170, 788887, 1360150, 1434340, 1577774, 1792925, 2720300, 3155548, 3585850, 3944435, 7171700, 7888870, 15777740, 19722175, 39444350, 78888700]

約数ペア:

[(1, 78888700), (2, 39444350), (4, 19722175), (5, 15777740), (10, 7888870), (11, 7171700), (20, 3944435), (22, 3585850), (25, 3155548), (29, 2720300), (44, 1792925), (50, 1577774), (55, 1434340), (58, 1360150), (100, 788887), (110, 717170), (116, 680075), (145, 544060), (220, 358585), (275, 286868), (290, 272030), (319, 247300), (550, 143434), (580, 136015), (638, 123650), (725, 108812), (1100, 71717), (1276, 61825), (1450, 54406), (1595, 49460), (2473, 31900), (2900, 27203), (3190, 24730), (4946, 15950), (6380, 12365), (7975, 9892)]