2019918340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{4663}}^1$

素因数の和:4873

約数の個数: 72

約数和(自身を含む): 4689558720

約数和(自身を除く): 2669640380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 179, 220, 242, 358, 484, 605, 716, 895, 1210, 1790, 1969, 2420, 3580, 3938, 4663, 7876, 9326, 9845, 18652, 19690, 21659, 23315, 39380, 43318, 46630, 51293, 86636, 93260, 102586, 108295, 205172, 216590, 256465, 433180, 512930, 564223, 834677, 1025860, 1128446, 1669354, 2256892, 2821115, 3338708, 4173385, 5642230, 8346770, 9181447, 11284460, 16693540, 18362894, 36725788, 45907235, 91814470, 100995917, 183628940, 201991834, 403983668, 504979585, 1009959170, 2019918340]

約数ペア:

[(1, 2019918340), (2, 1009959170), (4, 504979585), (5, 403983668), (10, 201991834), (11, 183628940), (20, 100995917), (22, 91814470), (44, 45907235), (55, 36725788), (110, 18362894), (121, 16693540), (179, 11284460), (220, 9181447), (242, 8346770), (358, 5642230), (484, 4173385), (605, 3338708), (716, 2821115), (895, 2256892), (1210, 1669354), (1790, 1128446), (1969, 1025860), (2420, 834677), (3580, 564223), (3938, 512930), (4663, 433180), (7876, 256465), (9326, 216590), (9845, 205172), (18652, 108295), (19690, 102586), (21659, 93260), (23315, 86636), (39380, 51293), (43318, 46630)]