201789280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1489}}^1$

素因数の和:1533

約数の個数: 144

約数和(自身を含む): 599266080

約数和(自身を除く): 397476800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 224, 242, 280, 308, 352, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1120, 1210, 1232, 1489, 1540, 1694, 1760, 1936, 2420, 2464, 2978, 3080, 3388, 3872, 4235, 4840, 5956, 6160, 6776, 7445, 8470, 9680, 10423, 11912, 12320, 13552, 14890, 16379, 16940, 19360, 20846, 23824, 27104, 29780, 32758, 33880, 41692, 47648, 52115, 59560, 65516, 67760, 81895, 83384, 104230, 114653, 119120, 131032, 135520, 163790, 166768, 180169, 208460, 229306, 238240, 262064, 327580, 333536, 360338, 416920, 458612, 524128, 573265, 655160, 720676, 833840, 900845, 917224, 1146530, 1261183, 1310320, 1441352, 1667680, 1801690, 1834448, 2293060, 2522366, 2620640, 2882704, 3603380, 3668896, 4586120, 5044732, 5765408, 6305915, 7206760, 9172240, 10089464, 12611830, 14413520, 18344480, 20178928, 25223660, 28827040, 40357856, 50447320, 100894640, 201789280]

約数ペア:

[(1, 201789280), (2, 100894640), (4, 50447320), (5, 40357856), (7, 28827040), (8, 25223660), (10, 20178928), (11, 18344480), (14, 14413520), (16, 12611830), (20, 10089464), (22, 9172240), (28, 7206760), (32, 6305915), (35, 5765408), (40, 5044732), (44, 4586120), (55, 3668896), (56, 3603380), (70, 2882704), (77, 2620640), (80, 2522366), (88, 2293060), (110, 1834448), (112, 1801690), (121, 1667680), (140, 1441352), (154, 1310320), (160, 1261183), (176, 1146530), (220, 917224), (224, 900845), (242, 833840), (280, 720676), (308, 655160), (352, 573265), (385, 524128), (440, 458612), (484, 416920), (560, 360338), (605, 333536), (616, 327580), (770, 262064), (847, 238240), (880, 229306), (968, 208460), (1120, 180169), (1210, 166768), (1232, 163790), (1489, 135520), (1540, 131032), (1694, 119120), (1760, 114653), (1936, 104230), (2420, 83384), (2464, 81895), (2978, 67760), (3080, 65516), (3388, 59560), (3872, 52115), (4235, 47648), (4840, 41692), (5956, 33880), (6160, 32758), (6776, 29780), (7445, 27104), (8470, 23824), (9680, 20846), (10423, 19360), (11912, 16940), (12320, 16379), (13552, 14890)]