128704940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70717}}^1$

素因数の和:70746

約数の個数: 48

約数和(自身を含む): 332657472

約数和(自身を除く): 203952532

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 70717, 141434, 282868, 353585, 495019, 707170, 919321, 990038, 1414340, 1838642, 1980076, 2475095, 3677284, 4596605, 4950190, 6435247, 9193210, 9900380, 12870494, 18386420, 25740988, 32176235, 64352470, 128704940]

約数ペア:

[(1, 128704940), (2, 64352470), (4, 32176235), (5, 25740988), (7, 18386420), (10, 12870494), (13, 9900380), (14, 9193210), (20, 6435247), (26, 4950190), (28, 4596605), (35, 3677284), (52, 2475095), (65, 1980076), (70, 1838642), (91, 1414340), (130, 990038), (140, 919321), (182, 707170), (260, 495019), (364, 353585), (455, 282868), (910, 141434), (1820, 70717)]