77598140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 166333440

約数和(自身を除く): 88735300

約数列:

[1, 2, 4, 5, 10, 20, 103, 139, 206, 271, 278, 412, 515, 542, 556, 695, 1030, 1084, 1355, 1390, 2060, 2710, 2780, 5420, 14317, 27913, 28634, 37669, 55826, 57268, 71585, 75338, 111652, 139565, 143170, 150676, 188345, 279130, 286340, 376690, 558260, 753380, 3879907, 7759814, 15519628, 19399535, 38799070, 77598140]

約数ペア:

[(1, 77598140), (2, 38799070), (4, 19399535), (5, 15519628), (10, 7759814), (20, 3879907), (103, 753380), (139, 558260), (206, 376690), (271, 286340), (278, 279130), (412, 188345), (515, 150676), (542, 143170), (556, 139565), (695, 111652), (1030, 75338), (1084, 71585), (1355, 57268), (1390, 55826), (2060, 37669), (2710, 28634), (2780, 27913), (5420, 14317)]