17615780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9679}}^1$

素因数の和:9708

約数の個数: 48

約数和(自身を含む): 45534720

約数和(自身を除く): 27918940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 9679, 19358, 38716, 48395, 67753, 96790, 125827, 135506, 193580, 251654, 271012, 338765, 503308, 629135, 677530, 880789, 1258270, 1355060, 1761578, 2516540, 3523156, 4403945, 8807890, 17615780]

約数ペア:

[(1, 17615780), (2, 8807890), (4, 4403945), (5, 3523156), (7, 2516540), (10, 1761578), (13, 1355060), (14, 1258270), (20, 880789), (26, 677530), (28, 629135), (35, 503308), (52, 338765), (65, 271012), (70, 251654), (91, 193580), (130, 135506), (140, 125827), (182, 96790), (260, 67753), (364, 48395), (455, 38716), (910, 19358), (1820, 9679)]