391045900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1933}}^1$

素因数の和:1988

約数の個数: 108

約数和(自身を含む): 1030729168

約数和(自身を除く): 639683268

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 289, 340, 350, 425, 476, 578, 595, 700, 850, 1156, 1190, 1445, 1700, 1933, 2023, 2380, 2890, 2975, 3866, 4046, 5780, 5950, 7225, 7732, 8092, 9665, 10115, 11900, 13531, 14450, 19330, 20230, 27062, 28900, 32861, 38660, 40460, 48325, 50575, 54124, 65722, 67655, 96650, 101150, 131444, 135310, 164305, 193300, 202300, 230027, 270620, 328610, 338275, 460054, 558637, 657220, 676550, 821525, 920108, 1117274, 1150135, 1353100, 1643050, 2234548, 2300270, 2793185, 3286100, 3910459, 4600540, 5586370, 5750675, 7820918, 11172740, 11501350, 13965925, 15641836, 19552295, 23002700, 27931850, 39104590, 55863700, 78209180, 97761475, 195522950, 391045900]

約数ペア:

[(1, 391045900), (2, 195522950), (4, 97761475), (5, 78209180), (7, 55863700), (10, 39104590), (14, 27931850), (17, 23002700), (20, 19552295), (25, 15641836), (28, 13965925), (34, 11501350), (35, 11172740), (50, 7820918), (68, 5750675), (70, 5586370), (85, 4600540), (100, 3910459), (119, 3286100), (140, 2793185), (170, 2300270), (175, 2234548), (238, 1643050), (289, 1353100), (340, 1150135), (350, 1117274), (425, 920108), (476, 821525), (578, 676550), (595, 657220), (700, 558637), (850, 460054), (1156, 338275), (1190, 328610), (1445, 270620), (1700, 230027), (1933, 202300), (2023, 193300), (2380, 164305), (2890, 135310), (2975, 131444), (3866, 101150), (4046, 96650), (5780, 67655), (5950, 65722), (7225, 54124), (7732, 50575), (8092, 48325), (9665, 40460), (10115, 38660), (11900, 32861), (13531, 28900), (14450, 27062), (19330, 20230)]