13458340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 34013952

約数和(自身を除く): 20555612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 443, 490, 620, 868, 886, 980, 1085, 1519, 1772, 2170, 2215, 3038, 3101, 4340, 4430, 6076, 6202, 7595, 8860, 12404, 13733, 15190, 15505, 21707, 27466, 30380, 31010, 43414, 54932, 62020, 68665, 86828, 96131, 108535, 137330, 192262, 217070, 274660, 384524, 434140, 480655, 672917, 961310, 1345834, 1922620, 2691668, 3364585, 6729170, 13458340]

約数ペア:

[(1, 13458340), (2, 6729170), (4, 3364585), (5, 2691668), (7, 1922620), (10, 1345834), (14, 961310), (20, 672917), (28, 480655), (31, 434140), (35, 384524), (49, 274660), (62, 217070), (70, 192262), (98, 137330), (124, 108535), (140, 96131), (155, 86828), (196, 68665), (217, 62020), (245, 54932), (310, 43414), (434, 31010), (443, 30380), (490, 27466), (620, 21707), (868, 15505), (886, 15190), (980, 13733), (1085, 12404), (1519, 8860), (1772, 7595), (2170, 6202), (2215, 6076), (3038, 4430), (3101, 4340)]