199941170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1571}}^1$

素因数の和:1691

約数の個数: 64

約数和(自身を含む): 427835520

約数和(自身を除く): 227894350

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 89, 110, 130, 143, 178, 286, 445, 715, 890, 979, 1157, 1430, 1571, 1958, 2314, 3142, 4895, 5785, 7855, 9790, 11570, 12727, 15710, 17281, 20423, 25454, 34562, 40846, 63635, 86405, 102115, 127270, 139819, 172810, 204230, 224653, 279638, 449306, 699095, 1123265, 1398190, 1538009, 1817647, 2246530, 3076018, 3635294, 7690045, 9088235, 15380090, 18176470, 19994117, 39988234, 99970585, 199941170]

約数ペア:

[(1, 199941170), (2, 99970585), (5, 39988234), (10, 19994117), (11, 18176470), (13, 15380090), (22, 9088235), (26, 7690045), (55, 3635294), (65, 3076018), (89, 2246530), (110, 1817647), (130, 1538009), (143, 1398190), (178, 1123265), (286, 699095), (445, 449306), (715, 279638), (890, 224653), (979, 204230), (1157, 172810), (1430, 139819), (1571, 127270), (1958, 102115), (2314, 86405), (3142, 63635), (4895, 40846), (5785, 34562), (7855, 25454), (9790, 20423), (11570, 17281), (12727, 15710)]