139253240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 377118720

約数和(自身を除く): 237865480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 61, 62, 70, 122, 124, 140, 155, 217, 244, 248, 263, 280, 305, 310, 427, 434, 488, 526, 610, 620, 854, 868, 1052, 1085, 1220, 1240, 1315, 1708, 1736, 1841, 1891, 2104, 2135, 2170, 2440, 2630, 3416, 3682, 3782, 4270, 4340, 5260, 7364, 7564, 8153, 8540, 8680, 9205, 9455, 10520, 13237, 14728, 15128, 16043, 16306, 17080, 18410, 18910, 26474, 32086, 32612, 36820, 37820, 40765, 52948, 57071, 64172, 65224, 66185, 73640, 75640, 80215, 81530, 105896, 112301, 114142, 128344, 132370, 160430, 163060, 224602, 228284, 264740, 285355, 320860, 326120, 449204, 456568, 497333, 529480, 561505, 570710, 641720, 898408, 994666, 1123010, 1141420, 1989332, 2246020, 2282840, 2486665, 3481331, 3978664, 4492040, 4973330, 6962662, 9946660, 13925324, 17406655, 19893320, 27850648, 34813310, 69626620, 139253240]

約数ペア:

[(1, 139253240), (2, 69626620), (4, 34813310), (5, 27850648), (7, 19893320), (8, 17406655), (10, 13925324), (14, 9946660), (20, 6962662), (28, 4973330), (31, 4492040), (35, 3978664), (40, 3481331), (56, 2486665), (61, 2282840), (62, 2246020), (70, 1989332), (122, 1141420), (124, 1123010), (140, 994666), (155, 898408), (217, 641720), (244, 570710), (248, 561505), (263, 529480), (280, 497333), (305, 456568), (310, 449204), (427, 326120), (434, 320860), (488, 285355), (526, 264740), (610, 228284), (620, 224602), (854, 163060), (868, 160430), (1052, 132370), (1085, 128344), (1220, 114142), (1240, 112301), (1315, 105896), (1708, 81530), (1736, 80215), (1841, 75640), (1891, 73640), (2104, 66185), (2135, 65224), (2170, 64172), (2440, 57071), (2630, 52948), (3416, 40765), (3682, 37820), (3782, 36820), (4270, 32612), (4340, 32086), (5260, 26474), (7364, 18910), (7564, 18410), (8153, 17080), (8540, 16306), (8680, 16043), (9205, 15128), (9455, 14728), (10520, 13237)]