78003380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42859}}^1$

素因数の和:42888

約数の個数: 48

約数和(自身を含む): 201613440

約数和(自身を除く): 123610060

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, 42859, 85718, 171436, 214295, 300013, 428590, 557167, 600026, 857180, 1114334, 1200052, 1500065, 2228668, 2785835, 3000130, 3900169, 5571670, 6000260, 7800338, 11143340, 15600676, 19500845, 39001690, 78003380]

約数ペア:

[(1, 78003380), (2, 39001690), (4, 19500845), (5, 15600676), (7, 11143340), (10, 7800338), (13, 6000260), (14, 5571670), (20, 3900169), (26, 3000130), (28, 2785835), (35, 2228668), (52, 1500065), (65, 1200052), (70, 1114334), (91, 857180), (130, 600026), (140, 557167), (182, 428590), (260, 300013), (364, 214295), (455, 171436), (910, 85718), (1820, 42859)]