83898920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2011}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 217296000

約数和(自身を除く): 133397080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2011, 2086, 2980, 4022, 4172, 5215, 5960, 8044, 8344, 10055, 10430, 14077, 16088, 20110, 20860, 28154, 40220, 41720, 56308, 70385, 80440, 112616, 140770, 281540, 299639, 563080, 599278, 1198556, 1498195, 2097473, 2397112, 2996390, 4194946, 5992780, 8389892, 10487365, 11985560, 16779784, 20974730, 41949460, 83898920]

約数ペア:

[(1, 83898920), (2, 41949460), (4, 20974730), (5, 16779784), (7, 11985560), (8, 10487365), (10, 8389892), (14, 5992780), (20, 4194946), (28, 2996390), (35, 2397112), (40, 2097473), (56, 1498195), (70, 1198556), (140, 599278), (149, 563080), (280, 299639), (298, 281540), (596, 140770), (745, 112616), (1043, 80440), (1192, 70385), (1490, 56308), (2011, 41720), (2086, 40220), (2980, 28154), (4022, 20860), (4172, 20110), (5215, 16088), (5960, 14077), (8044, 10430), (8344, 10055)]