388175060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{30469}}^1$

素因数の和:30505

約数の個数: 72

約数和(自身を含む): 1021232520

約数和(自身を除く): 633057460

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 30469, 60938, 121876, 152345, 213283, 304690, 396097, 426566, 609380, 792194, 853132, 1066415, 1492981, 1584388, 1980485, 2132830, 2772679, 2985962, 3960970, 4265660, 5545358, 5971924, 7464905, 7921940, 11090716, 13863395, 14929810, 19408753, 27726790, 29859620, 38817506, 55453580, 77635012, 97043765, 194087530, 388175060]

約数ペア:

[(1, 388175060), (2, 194087530), (4, 97043765), (5, 77635012), (7, 55453580), (10, 38817506), (13, 29859620), (14, 27726790), (20, 19408753), (26, 14929810), (28, 13863395), (35, 11090716), (49, 7921940), (52, 7464905), (65, 5971924), (70, 5545358), (91, 4265660), (98, 3960970), (130, 2985962), (140, 2772679), (182, 2132830), (196, 1980485), (245, 1584388), (260, 1492981), (364, 1066415), (455, 853132), (490, 792194), (637, 609380), (910, 426566), (980, 396097), (1274, 304690), (1820, 213283), (2548, 152345), (3185, 121876), (6370, 60938), (12740, 30469)]