55086290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{389}}^1$

素因数の和:444

約数の個数: 72

約数和(自身を含む): 122842980

約数和(自身を除く): 67756690

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 289, 389, 490, 578, 595, 778, 833, 1190, 1445, 1666, 1945, 2023, 2723, 2890, 3890, 4046, 4165, 5446, 6613, 8330, 10115, 13226, 13615, 14161, 19061, 20230, 27230, 28322, 33065, 38122, 46291, 66130, 70805, 92582, 95305, 112421, 141610, 190610, 224842, 231455, 324037, 462910, 562105, 648074, 786947, 1124210, 1573894, 1620185, 3240370, 3934735, 5508629, 7869470, 11017258, 27543145, 55086290]

約数ペア:

[(1, 55086290), (2, 27543145), (5, 11017258), (7, 7869470), (10, 5508629), (14, 3934735), (17, 3240370), (34, 1620185), (35, 1573894), (49, 1124210), (70, 786947), (85, 648074), (98, 562105), (119, 462910), (170, 324037), (238, 231455), (245, 224842), (289, 190610), (389, 141610), (490, 112421), (578, 95305), (595, 92582), (778, 70805), (833, 66130), (1190, 46291), (1445, 38122), (1666, 33065), (1945, 28322), (2023, 27230), (2723, 20230), (2890, 19061), (3890, 14161), (4046, 13615), (4165, 13226), (5446, 10115), (6613, 8330)]