20138078100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{52981}}^1$

素因数の和:53186

約数の個数: 144

約数和(自身を含む): 66959075456

約数和(自身を除く): 46820997356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 181, 210, 300, 350, 362, 420, 525, 543, 700, 724, 905, 1050, 1086, 1267, 1810, 2100, 2172, 2534, 2715, 3620, 3801, 4525, 5068, 5430, 6335, 7602, 9050, 10860, 12670, 13575, 15204, 18100, 19005, 25340, 27150, 31675, 38010, 52981, 54300, 63350, 76020, 95025, 105962, 126700, 158943, 190050, 211924, 264905, 317886, 370867, 380100, 529810, 635772, 741734, 794715, 1059620, 1112601, 1324525, 1483468, 1589430, 1854335, 2225202, 2649050, 3178860, 3708670, 3973575, 4450404, 5298100, 5563005, 7417340, 7947150, 9271675, 9589561, 11126010, 15894300, 18543350, 19179122, 22252020, 27815025, 28768683, 37086700, 38358244, 47947805, 55630050, 57537366, 67126927, 95895610, 111260100, 115074732, 134253854, 143843415, 191791220, 201380781, 239739025, 268507708, 287686830, 335634635, 402761562, 479478050, 575373660, 671269270, 719217075, 805523124, 958956100, 1006903905, 1342538540, 1438434150, 1678173175, 2013807810, 2876868300, 3356346350, 4027615620, 5034519525, 6712692700, 10069039050, 20138078100]

約数ペア:

[(1, 20138078100), (2, 10069039050), (3, 6712692700), (4, 5034519525), (5, 4027615620), (6, 3356346350), (7, 2876868300), (10, 2013807810), (12, 1678173175), (14, 1438434150), (15, 1342538540), (20, 1006903905), (21, 958956100), (25, 805523124), (28, 719217075), (30, 671269270), (35, 575373660), (42, 479478050), (50, 402761562), (60, 335634635), (70, 287686830), (75, 268507708), (84, 239739025), (100, 201380781), (105, 191791220), (140, 143843415), (150, 134253854), (175, 115074732), (181, 111260100), (210, 95895610), (300, 67126927), (350, 57537366), (362, 55630050), (420, 47947805), (525, 38358244), (543, 37086700), (700, 28768683), (724, 27815025), (905, 22252020), (1050, 19179122), (1086, 18543350), (1267, 15894300), (1810, 11126010), (2100, 9589561), (2172, 9271675), (2534, 7947150), (2715, 7417340), (3620, 5563005), (3801, 5298100), (4525, 4450404), (5068, 3973575), (5430, 3708670), (6335, 3178860), (7602, 2649050), (9050, 2225202), (10860, 1854335), (12670, 1589430), (13575, 1483468), (15204, 1324525), (18100, 1112601), (19005, 1059620), (25340, 794715), (27150, 741734), (31675, 635772), (38010, 529810), (52981, 380100), (54300, 370867), (63350, 317886), (76020, 264905), (95025, 211924), (105962, 190050), (126700, 158943)]