2021471320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{547}}^1$

素因数の和:833

約数の個数: 128

約数和(自身を含む): 5127701760

約数和(自身を除く): 3106230440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 227, 296, 370, 407, 440, 454, 547, 740, 814, 908, 1094, 1135, 1480, 1628, 1816, 2035, 2188, 2270, 2497, 2735, 3256, 4070, 4376, 4540, 4994, 5470, 6017, 8140, 8399, 9080, 9988, 10940, 12034, 12485, 16280, 16798, 19976, 20239, 21880, 24068, 24970, 30085, 33596, 40478, 41995, 48136, 49940, 60170, 67192, 80956, 83990, 92389, 99880, 101195, 120340, 124169, 161912, 167980, 184778, 202390, 222629, 240680, 248338, 335960, 369556, 404780, 445258, 461945, 496676, 620845, 739112, 809560, 890516, 923890, 993352, 1113145, 1241690, 1365859, 1781032, 1847780, 2226290, 2483380, 2731718, 3695560, 4452580, 4594253, 4966760, 5463436, 6829295, 8905160, 9188506, 10926872, 13658590, 18377012, 22971265, 27317180, 36754024, 45942530, 50536783, 54634360, 91885060, 101073566, 183770120, 202147132, 252683915, 404294264, 505367830, 1010735660, 2021471320]

約数ペア:

[(1, 2021471320), (2, 1010735660), (4, 505367830), (5, 404294264), (8, 252683915), (10, 202147132), (11, 183770120), (20, 101073566), (22, 91885060), (37, 54634360), (40, 50536783), (44, 45942530), (55, 36754024), (74, 27317180), (88, 22971265), (110, 18377012), (148, 13658590), (185, 10926872), (220, 9188506), (227, 8905160), (296, 6829295), (370, 5463436), (407, 4966760), (440, 4594253), (454, 4452580), (547, 3695560), (740, 2731718), (814, 2483380), (908, 2226290), (1094, 1847780), (1135, 1781032), (1480, 1365859), (1628, 1241690), (1816, 1113145), (2035, 993352), (2188, 923890), (2270, 890516), (2497, 809560), (2735, 739112), (3256, 620845), (4070, 496676), (4376, 461945), (4540, 445258), (4994, 404780), (5470, 369556), (6017, 335960), (8140, 248338), (8399, 240680), (9080, 222629), (9988, 202390), (10940, 184778), (12034, 167980), (12485, 161912), (16280, 124169), (16798, 120340), (19976, 101195), (20239, 99880), (21880, 92389), (24068, 83990), (24970, 80956), (30085, 67192), (33596, 60170), (40478, 49940), (41995, 48136)]