131285980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1423}}^1$

素因数の和:2098

約数の個数: 48

約数和(自身を含む): 315786240

約数和(自身を除く): 184500260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 659, 1318, 1423, 2636, 2846, 3295, 4613, 5692, 6590, 7115, 9226, 9961, 13180, 14230, 18452, 19922, 23065, 28460, 39844, 46130, 49805, 92260, 99610, 199220, 937757, 1875514, 3751028, 4688785, 6564299, 9377570, 13128598, 18755140, 26257196, 32821495, 65642990, 131285980]

約数ペア:

[(1, 131285980), (2, 65642990), (4, 32821495), (5, 26257196), (7, 18755140), (10, 13128598), (14, 9377570), (20, 6564299), (28, 4688785), (35, 3751028), (70, 1875514), (140, 937757), (659, 199220), (1318, 99610), (1423, 92260), (2636, 49805), (2846, 46130), (3295, 39844), (4613, 28460), (5692, 23065), (6590, 19922), (7115, 18452), (9226, 14230), (9961, 13180)]