20750100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 70578816

約数和(自身を除く): 49828716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 41, 42, 50, 60, 70, 75, 82, 84, 100, 105, 123, 140, 150, 164, 175, 205, 210, 241, 246, 287, 300, 350, 410, 420, 482, 492, 525, 574, 615, 700, 723, 820, 861, 964, 1025, 1050, 1148, 1205, 1230, 1435, 1446, 1687, 1722, 2050, 2100, 2410, 2460, 2870, 2892, 3075, 3374, 3444, 3615, 4100, 4305, 4820, 5061, 5740, 6025, 6150, 6748, 7175, 7230, 8435, 8610, 9881, 10122, 12050, 12300, 14350, 14460, 16870, 17220, 18075, 19762, 20244, 21525, 24100, 25305, 28700, 29643, 33740, 36150, 39524, 42175, 43050, 49405, 50610, 59286, 69167, 72300, 84350, 86100, 98810, 101220, 118572, 126525, 138334, 148215, 168700, 197620, 207501, 247025, 253050, 276668, 296430, 345835, 415002, 494050, 506100, 592860, 691670, 741075, 830004, 988100, 1037505, 1383340, 1482150, 1729175, 2075010, 2964300, 3458350, 4150020, 5187525, 6916700, 10375050, 20750100]

約数ペア:

[(1, 20750100), (2, 10375050), (3, 6916700), (4, 5187525), (5, 4150020), (6, 3458350), (7, 2964300), (10, 2075010), (12, 1729175), (14, 1482150), (15, 1383340), (20, 1037505), (21, 988100), (25, 830004), (28, 741075), (30, 691670), (35, 592860), (41, 506100), (42, 494050), (50, 415002), (60, 345835), (70, 296430), (75, 276668), (82, 253050), (84, 247025), (100, 207501), (105, 197620), (123, 168700), (140, 148215), (150, 138334), (164, 126525), (175, 118572), (205, 101220), (210, 98810), (241, 86100), (246, 84350), (287, 72300), (300, 69167), (350, 59286), (410, 50610), (420, 49405), (482, 43050), (492, 42175), (525, 39524), (574, 36150), (615, 33740), (700, 29643), (723, 28700), (820, 25305), (861, 24100), (964, 21525), (1025, 20244), (1050, 19762), (1148, 18075), (1205, 17220), (1230, 16870), (1435, 14460), (1446, 14350), (1687, 12300), (1722, 12050), (2050, 10122), (2100, 9881), (2410, 8610), (2460, 8435), (2870, 7230), (2892, 7175), (3075, 6748), (3374, 6150), (3444, 6025), (3615, 5740), (4100, 5061), (4305, 4820)]