129345020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29803}}^1$

素因数の和:29850

約数の個数: 48

約数和(自身を含む): 320452608

約数和(自身を除く): 191107588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 29803, 59606, 119212, 149015, 208621, 298030, 417242, 596060, 834484, 923893, 1043105, 1847786, 2086210, 3695572, 4172420, 4619465, 6467251, 9238930, 12934502, 18477860, 25869004, 32336255, 64672510, 129345020]

約数ペア:

[(1, 129345020), (2, 64672510), (4, 32336255), (5, 25869004), (7, 18477860), (10, 12934502), (14, 9238930), (20, 6467251), (28, 4619465), (31, 4172420), (35, 3695572), (62, 2086210), (70, 1847786), (124, 1043105), (140, 923893), (155, 834484), (217, 596060), (310, 417242), (434, 298030), (620, 208621), (868, 149015), (1085, 119212), (2170, 59606), (4340, 29803)]