389611300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{299701}}^1$

素因数の和:299728

約数の個数: 36

約数和(自身を含む): 910494676

約数和(自身を除く): 520883376

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 299701, 599402, 1198804, 1498505, 2997010, 3896113, 5994020, 7492525, 7792226, 14985050, 15584452, 19480565, 29970100, 38961130, 77922260, 97402825, 194805650, 389611300]

約数ペア:

[(1, 389611300), (2, 194805650), (4, 97402825), (5, 77922260), (10, 38961130), (13, 29970100), (20, 19480565), (25, 15584452), (26, 14985050), (50, 7792226), (52, 7492525), (65, 5994020), (100, 3896113), (130, 2997010), (260, 1498505), (325, 1198804), (650, 599402), (1300, 299701)]