50270740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 116212320

約数和(自身を除く): 65941580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 139, 169, 214, 260, 278, 338, 428, 535, 556, 676, 695, 845, 1070, 1390, 1391, 1690, 1807, 2140, 2780, 2782, 3380, 3614, 5564, 6955, 7228, 9035, 13910, 14873, 18070, 18083, 23491, 27820, 29746, 36140, 36166, 46982, 59492, 72332, 74365, 90415, 93964, 117455, 148730, 180830, 193349, 234910, 297460, 361660, 386698, 469820, 773396, 966745, 1933490, 2513537, 3866980, 5027074, 10054148, 12567685, 25135370, 50270740]

約数ペア:

[(1, 50270740), (2, 25135370), (4, 12567685), (5, 10054148), (10, 5027074), (13, 3866980), (20, 2513537), (26, 1933490), (52, 966745), (65, 773396), (107, 469820), (130, 386698), (139, 361660), (169, 297460), (214, 234910), (260, 193349), (278, 180830), (338, 148730), (428, 117455), (535, 93964), (556, 90415), (676, 74365), (695, 72332), (845, 59492), (1070, 46982), (1390, 36166), (1391, 36140), (1690, 29746), (1807, 27820), (2140, 23491), (2780, 18083), (2782, 18070), (3380, 14873), (3614, 13910), (5564, 9035), (6955, 7228)]