139378480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1394

約数の個数: 80

約数和(自身を含む): 342549504

約数和(自身を除く): 203171024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1307, 1333, 1720, 2480, 2614, 2666, 3440, 5228, 5332, 6535, 6665, 10456, 10664, 13070, 13330, 20912, 21328, 26140, 26660, 40517, 52280, 53320, 56201, 81034, 104560, 106640, 112402, 162068, 202585, 224804, 281005, 324136, 405170, 449608, 562010, 648272, 810340, 899216, 1124020, 1620680, 1742231, 2248040, 3241360, 3484462, 4496080, 6968924, 8711155, 13937848, 17422310, 27875696, 34844620, 69689240, 139378480]

約数ペア:

[(1, 139378480), (2, 69689240), (4, 34844620), (5, 27875696), (8, 17422310), (10, 13937848), (16, 8711155), (20, 6968924), (31, 4496080), (40, 3484462), (43, 3241360), (62, 2248040), (80, 1742231), (86, 1620680), (124, 1124020), (155, 899216), (172, 810340), (215, 648272), (248, 562010), (310, 449608), (344, 405170), (430, 324136), (496, 281005), (620, 224804), (688, 202585), (860, 162068), (1240, 112402), (1307, 106640), (1333, 104560), (1720, 81034), (2480, 56201), (2614, 53320), (2666, 52280), (3440, 40517), (5228, 26660), (5332, 26140), (6535, 21328), (6665, 20912), (10456, 13330), (10664, 13070)]