39706660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1361

約数の個数: 72

約数和(自身を含む): 100203264

約数和(自身を除く): 60496604

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, 490, 620, 868, 980, 1085, 1307, 1519, 2170, 2614, 3038, 4340, 5228, 6076, 6535, 7595, 9149, 13070, 15190, 18298, 26140, 30380, 36596, 40517, 45745, 64043, 81034, 91490, 128086, 162068, 182980, 202585, 256172, 283619, 320215, 405170, 567238, 640430, 810340, 1134476, 1280860, 1418095, 1985333, 2836190, 3970666, 5672380, 7941332, 9926665, 19853330, 39706660]

約数ペア:

[(1, 39706660), (2, 19853330), (4, 9926665), (5, 7941332), (7, 5672380), (10, 3970666), (14, 2836190), (20, 1985333), (28, 1418095), (31, 1280860), (35, 1134476), (49, 810340), (62, 640430), (70, 567238), (98, 405170), (124, 320215), (140, 283619), (155, 256172), (196, 202585), (217, 182980), (245, 162068), (310, 128086), (434, 91490), (490, 81034), (620, 64043), (868, 45745), (980, 40517), (1085, 36596), (1307, 30380), (1519, 26140), (2170, 18298), (2614, 15190), (3038, 13070), (4340, 9149), (5228, 7595), (6076, 6535)]