139288580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{829}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 303421440

約数和(自身を除く): 164132860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 271, 310, 542, 620, 829, 1084, 1355, 1658, 2710, 3316, 4145, 5420, 8290, 8401, 16580, 16802, 25699, 33604, 42005, 51398, 84010, 102796, 128495, 168020, 224659, 256990, 449318, 513980, 898636, 1123295, 2246590, 4493180, 6964429, 13928858, 27857716, 34822145, 69644290, 139288580]

約数ペア:

[(1, 139288580), (2, 69644290), (4, 34822145), (5, 27857716), (10, 13928858), (20, 6964429), (31, 4493180), (62, 2246590), (124, 1123295), (155, 898636), (271, 513980), (310, 449318), (542, 256990), (620, 224659), (829, 168020), (1084, 128495), (1355, 102796), (1658, 84010), (2710, 51398), (3316, 42005), (4145, 33604), (5420, 25699), (8290, 16802), (8401, 16580)]