888930020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:909

約数の個数: 96

約数和(自身を含む): 2104099200

約数和(自身を除く): 1215169180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 139, 164, 205, 220, 278, 410, 451, 556, 695, 709, 820, 902, 1390, 1418, 1529, 1804, 2255, 2780, 2836, 3058, 3545, 4510, 5699, 6116, 7090, 7645, 7799, 9020, 11398, 14180, 15290, 15598, 22796, 28495, 29069, 30580, 31196, 38995, 56990, 58138, 62689, 77990, 98551, 113980, 116276, 125378, 145345, 155980, 197102, 250756, 290690, 313445, 319759, 394204, 492755, 581380, 626890, 639518, 985510, 1084061, 1253780, 1279036, 1598795, 1971020, 2168122, 3197590, 4040591, 4336244, 5420305, 6395180, 8081182, 10840610, 16162364, 20202955, 21681220, 40405910, 44446501, 80811820, 88893002, 177786004, 222232505, 444465010, 888930020]

約数ペア:

[(1, 888930020), (2, 444465010), (4, 222232505), (5, 177786004), (10, 88893002), (11, 80811820), (20, 44446501), (22, 40405910), (41, 21681220), (44, 20202955), (55, 16162364), (82, 10840610), (110, 8081182), (139, 6395180), (164, 5420305), (205, 4336244), (220, 4040591), (278, 3197590), (410, 2168122), (451, 1971020), (556, 1598795), (695, 1279036), (709, 1253780), (820, 1084061), (902, 985510), (1390, 639518), (1418, 626890), (1529, 581380), (1804, 492755), (2255, 394204), (2780, 319759), (2836, 313445), (3058, 290690), (3545, 250756), (4510, 197102), (5699, 155980), (6116, 145345), (7090, 125378), (7645, 116276), (7799, 113980), (9020, 98551), (11398, 77990), (14180, 62689), (15290, 58138), (15598, 56990), (22796, 38995), (28495, 31196), (29069, 30580)]