178870188

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{2843}}^1$

素因数の和:2971

約数の個数: 72

約数和(自身を含む): 490214592

約数和(自身を除く): 311344404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 107, 147, 196, 214, 294, 321, 428, 588, 642, 749, 1284, 1498, 2247, 2843, 2996, 4494, 5243, 5686, 8529, 8988, 10486, 11372, 15729, 17058, 19901, 20972, 31458, 34116, 39802, 59703, 62916, 79604, 119406, 139307, 238812, 278614, 304201, 417921, 557228, 608402, 835842, 912603, 1216804, 1671684, 1825206, 2129407, 3650412, 4258814, 6388221, 8517628, 12776442, 14905849, 25552884, 29811698, 44717547, 59623396, 89435094, 178870188]

約数ペア:

[(1, 178870188), (2, 89435094), (3, 59623396), (4, 44717547), (6, 29811698), (7, 25552884), (12, 14905849), (14, 12776442), (21, 8517628), (28, 6388221), (42, 4258814), (49, 3650412), (84, 2129407), (98, 1825206), (107, 1671684), (147, 1216804), (196, 912603), (214, 835842), (294, 608402), (321, 557228), (428, 417921), (588, 304201), (642, 278614), (749, 238812), (1284, 139307), (1498, 119406), (2247, 79604), (2843, 62916), (2996, 59703), (4494, 39802), (5243, 34116), (5686, 31458), (8529, 20972), (8988, 19901), (10486, 17058), (11372, 15729)]