440716460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 997269504

約数和(自身を除く): 556553044

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 61, 62, 86, 122, 124, 155, 172, 215, 244, 271, 305, 310, 430, 542, 610, 620, 860, 1084, 1220, 1333, 1355, 1891, 2623, 2666, 2710, 3782, 5246, 5332, 5420, 6665, 7564, 8401, 9455, 10492, 11653, 13115, 13330, 16531, 16802, 18910, 23306, 26230, 26660, 33062, 33604, 37820, 42005, 46612, 52460, 58265, 66124, 81313, 82655, 84010, 116530, 162626, 165310, 168020, 233060, 325252, 330620, 361243, 406565, 512461, 710833, 722486, 813130, 1024922, 1421666, 1444972, 1626260, 1806215, 2049844, 2562305, 2843332, 3554165, 3612430, 5124610, 7108330, 7224860, 10249220, 14216660, 22035823, 44071646, 88143292, 110179115, 220358230, 440716460]

約数ペア:

[(1, 440716460), (2, 220358230), (4, 110179115), (5, 88143292), (10, 44071646), (20, 22035823), (31, 14216660), (43, 10249220), (61, 7224860), (62, 7108330), (86, 5124610), (122, 3612430), (124, 3554165), (155, 2843332), (172, 2562305), (215, 2049844), (244, 1806215), (271, 1626260), (305, 1444972), (310, 1421666), (430, 1024922), (542, 813130), (610, 722486), (620, 710833), (860, 512461), (1084, 406565), (1220, 361243), (1333, 330620), (1355, 325252), (1891, 233060), (2623, 168020), (2666, 165310), (2710, 162626), (3782, 116530), (5246, 84010), (5332, 82655), (5420, 81313), (6665, 66124), (7564, 58265), (8401, 52460), (9455, 46612), (10492, 42005), (11653, 37820), (13115, 33604), (13330, 33062), (16531, 26660), (16802, 26230), (18910, 23306)]