12901910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1237}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 26740800

約数和(自身を除く): 13838890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1237, 1490, 2086, 2474, 5215, 6185, 8659, 10430, 12370, 17318, 43295, 86590, 184313, 368626, 921565, 1290191, 1843130, 2580382, 6450955, 12901910]

約数ペア:

[(1, 12901910), (2, 6450955), (5, 2580382), (7, 1843130), (10, 1290191), (14, 921565), (35, 368626), (70, 184313), (149, 86590), (298, 43295), (745, 17318), (1043, 12370), (1237, 10430), (1490, 8659), (2086, 6185), (2474, 5215)]