14902940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 35618688

約数和(自身を除く): 20715748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 43, 52, 62, 65, 86, 124, 130, 155, 172, 215, 260, 310, 403, 430, 559, 620, 806, 860, 1118, 1333, 1612, 1849, 2015, 2236, 2666, 2795, 3698, 4030, 5332, 5590, 6665, 7396, 8060, 9245, 11180, 13330, 17329, 18490, 24037, 26660, 34658, 36980, 48074, 57319, 69316, 86645, 96148, 114638, 120185, 173290, 229276, 240370, 286595, 346580, 480740, 573190, 745147, 1146380, 1490294, 2980588, 3725735, 7451470, 14902940]

約数ペア:

[(1, 14902940), (2, 7451470), (4, 3725735), (5, 2980588), (10, 1490294), (13, 1146380), (20, 745147), (26, 573190), (31, 480740), (43, 346580), (52, 286595), (62, 240370), (65, 229276), (86, 173290), (124, 120185), (130, 114638), (155, 96148), (172, 86645), (215, 69316), (260, 57319), (310, 48074), (403, 36980), (430, 34658), (559, 26660), (620, 24037), (806, 18490), (860, 17329), (1118, 13330), (1333, 11180), (1612, 9245), (1849, 8060), (2015, 7396), (2236, 6665), (2666, 5590), (2795, 5332), (3698, 4030)]