39993091460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2029}}^1\times {\mathrm{20113}}^1$

素因数の和:22165

約数の個数: 72

約数和(自身を含む): 97750419480

約数和(自身を除く): 57757328020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2029, 4058, 8116, 10145, 14203, 20113, 20290, 28406, 40226, 40580, 56812, 71015, 80452, 99421, 100565, 140791, 142030, 198842, 201130, 281582, 284060, 397684, 402260, 497105, 563164, 703955, 985537, 994210, 1407910, 1971074, 1988420, 2815820, 3942148, 4927685, 9855370, 19710740, 40809277, 81618554, 163237108, 204046385, 285664939, 408092770, 571329878, 816185540, 1142659756, 1428324695, 1999654573, 2856649390, 3999309146, 5713298780, 7998618292, 9998272865, 19996545730, 39993091460]

約数ペア:

[(1, 39993091460), (2, 19996545730), (4, 9998272865), (5, 7998618292), (7, 5713298780), (10, 3999309146), (14, 2856649390), (20, 1999654573), (28, 1428324695), (35, 1142659756), (49, 816185540), (70, 571329878), (98, 408092770), (140, 285664939), (196, 204046385), (245, 163237108), (490, 81618554), (980, 40809277), (2029, 19710740), (4058, 9855370), (8116, 4927685), (10145, 3942148), (14203, 2815820), (20113, 1988420), (20290, 1971074), (28406, 1407910), (40226, 994210), (40580, 985537), (56812, 703955), (71015, 563164), (80452, 497105), (99421, 402260), (100565, 397684), (140791, 284060), (142030, 281582), (198842, 201130)]