13336820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 33707520

約数和(自身を除く): 20370700

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, 439, 490, 620, 868, 878, 980, 1085, 1519, 1756, 2170, 2195, 3038, 3073, 4340, 4390, 6076, 6146, 7595, 8780, 12292, 13609, 15190, 15365, 21511, 27218, 30380, 30730, 43022, 54436, 61460, 68045, 86044, 95263, 107555, 136090, 190526, 215110, 272180, 381052, 430220, 476315, 666841, 952630, 1333682, 1905260, 2667364, 3334205, 6668410, 13336820]

約数ペア:

[(1, 13336820), (2, 6668410), (4, 3334205), (5, 2667364), (7, 1905260), (10, 1333682), (14, 952630), (20, 666841), (28, 476315), (31, 430220), (35, 381052), (49, 272180), (62, 215110), (70, 190526), (98, 136090), (124, 107555), (140, 95263), (155, 86044), (196, 68045), (217, 61460), (245, 54436), (310, 43022), (434, 30730), (439, 30380), (490, 27218), (620, 21511), (868, 15365), (878, 15190), (980, 13609), (1085, 12292), (1519, 8780), (1756, 7595), (2170, 6146), (2195, 6076), (3038, 4390), (3073, 4340)]