54690940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 117411840

約数和(自身を除く): 62720900

約数列:

[1, 2, 4, 5, 10, 20, 103, 139, 191, 206, 278, 382, 412, 515, 556, 695, 764, 955, 1030, 1390, 1910, 2060, 2780, 3820, 14317, 19673, 26549, 28634, 39346, 53098, 57268, 71585, 78692, 98365, 106196, 132745, 143170, 196730, 265490, 286340, 393460, 530980, 2734547, 5469094, 10938188, 13672735, 27345470, 54690940]

約数ペア:

[(1, 54690940), (2, 27345470), (4, 13672735), (5, 10938188), (10, 5469094), (20, 2734547), (103, 530980), (139, 393460), (191, 286340), (206, 265490), (278, 196730), (382, 143170), (412, 132745), (515, 106196), (556, 98365), (695, 78692), (764, 71585), (955, 57268), (1030, 53098), (1390, 39346), (1910, 28634), (2060, 26549), (2780, 19673), (3820, 14317)]