90978970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{1223}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 168676992

約数和(自身を除く): 77698022

約数列:

[1, 2, 5, 10, 43, 86, 173, 215, 346, 430, 865, 1223, 1730, 2446, 6115, 7439, 12230, 14878, 37195, 52589, 74390, 105178, 211579, 262945, 423158, 525890, 1057895, 2115790, 9097897, 18195794, 45489485, 90978970]

約数ペア:

[(1, 90978970), (2, 45489485), (5, 18195794), (10, 9097897), (43, 2115790), (86, 1057895), (173, 525890), (215, 423158), (346, 262945), (430, 211579), (865, 105178), (1223, 74390), (1730, 52589), (2446, 37195), (6115, 14878), (7439, 12230)]