13981660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1297}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 37288944

約数和(自身を除く): 23307284

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1297, 1540, 2156, 2594, 2695, 5188, 5390, 6485, 9079, 10780, 12970, 14267, 18158, 25940, 28534, 36316, 45395, 57068, 63553, 71335, 90790, 99869, 127106, 142670, 181580, 199738, 254212, 285340, 317765, 399476, 499345, 635530, 699083, 998690, 1271060, 1398166, 1997380, 2796332, 3495415, 6990830, 13981660]

約数ペア:

[(1, 13981660), (2, 6990830), (4, 3495415), (5, 2796332), (7, 1997380), (10, 1398166), (11, 1271060), (14, 998690), (20, 699083), (22, 635530), (28, 499345), (35, 399476), (44, 317765), (49, 285340), (55, 254212), (70, 199738), (77, 181580), (98, 142670), (110, 127106), (140, 99869), (154, 90790), (196, 71335), (220, 63553), (245, 57068), (308, 45395), (385, 36316), (490, 28534), (539, 25940), (770, 18158), (980, 14267), (1078, 12970), (1297, 10780), (1540, 9079), (2156, 6485), (2594, 5390), (2695, 5188)]