281240432

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2713}}^1$

素因数の和:2782

約数の個数: 80

約数和(自身を含む): 646149120

約数和(自身を除く): 364908688

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 176, 209, 248, 304, 341, 418, 496, 589, 682, 836, 1178, 1364, 1672, 2356, 2713, 2728, 3344, 4712, 5426, 5456, 6479, 9424, 10852, 12958, 21704, 25916, 29843, 43408, 51547, 51832, 59686, 84103, 103094, 103664, 119372, 168206, 206188, 238744, 336412, 412376, 477488, 567017, 672824, 824752, 925133, 1134034, 1345648, 1597957, 1850266, 2268068, 3195914, 3700532, 4536136, 6391828, 7401064, 9072272, 12783656, 14802128, 17577527, 25567312, 35155054, 70310108, 140620216, 281240432]

約数ペア:

[(1, 281240432), (2, 140620216), (4, 70310108), (8, 35155054), (11, 25567312), (16, 17577527), (19, 14802128), (22, 12783656), (31, 9072272), (38, 7401064), (44, 6391828), (62, 4536136), (76, 3700532), (88, 3195914), (124, 2268068), (152, 1850266), (176, 1597957), (209, 1345648), (248, 1134034), (304, 925133), (341, 824752), (418, 672824), (496, 567017), (589, 477488), (682, 412376), (836, 336412), (1178, 238744), (1364, 206188), (1672, 168206), (2356, 119372), (2713, 103664), (2728, 103094), (3344, 84103), (4712, 59686), (5426, 51832), (5456, 51547), (6479, 43408), (9424, 29843), (10852, 25916), (12958, 21704)]