77554540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{553961}}^1$

素因数の和:553977

約数の個数: 24

約数和(自身を含む): 186131232

約数和(自身を除く): 108576692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 553961, 1107922, 2215844, 2769805, 3877727, 5539610, 7755454, 11079220, 15510908, 19388635, 38777270, 77554540]

約数ペア:

[(1, 77554540), (2, 38777270), (4, 19388635), (5, 15510908), (7, 11079220), (10, 7755454), (14, 5539610), (20, 3877727), (28, 2769805), (35, 2215844), (70, 1107922), (140, 553961)]