128530220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70621}}^1$

素因数の和:70650

約数の個数: 48

約数和(自身を含む): 332205888

約数和(自身を除く): 203675668

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, 70621, 141242, 282484, 353105, 494347, 706210, 918073, 988694, 1412420, 1836146, 1977388, 2471735, 3672292, 4590365, 4943470, 6426511, 9180730, 9886940, 12853022, 18361460, 25706044, 32132555, 64265110, 128530220]

約数ペア:

[(1, 128530220), (2, 64265110), (4, 32132555), (5, 25706044), (7, 18361460), (10, 12853022), (13, 9886940), (14, 9180730), (20, 6426511), (26, 4943470), (28, 4590365), (35, 3672292), (52, 2471735), (65, 1977388), (70, 1836146), (91, 1412420), (130, 988694), (140, 918073), (182, 706210), (260, 494347), (364, 353105), (455, 282484), (910, 141242), (1820, 70621)]