123840340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1439}}^1$

素因数の和:1792

約数の個数: 48

約数和(自身を含む): 281111040

約数和(自身を除く): 157270700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1324, 1439, 1655, 2878, 3310, 4303, 5756, 6620, 7195, 8606, 14390, 17212, 18707, 21515, 28780, 37414, 43030, 74828, 86060, 93535, 187070, 374140, 476309, 952618, 1905236, 2381545, 4763090, 6192017, 9526180, 12384034, 24768068, 30960085, 61920170, 123840340]

約数ペア:

[(1, 123840340), (2, 61920170), (4, 30960085), (5, 24768068), (10, 12384034), (13, 9526180), (20, 6192017), (26, 4763090), (52, 2381545), (65, 1905236), (130, 952618), (260, 476309), (331, 374140), (662, 187070), (1324, 93535), (1439, 86060), (1655, 74828), (2878, 43030), (3310, 37414), (4303, 28780), (5756, 21515), (6620, 18707), (7195, 17212), (8606, 14390)]