145488520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 333849600

約数和(自身を除く): 188361080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 139, 191, 274, 278, 382, 548, 556, 685, 695, 764, 955, 1096, 1112, 1370, 1390, 1528, 1910, 2740, 2780, 3820, 5480, 5560, 7640, 19043, 26167, 26549, 38086, 52334, 53098, 76172, 95215, 104668, 106196, 130835, 132745, 152344, 190430, 209336, 212392, 261670, 265490, 380860, 523340, 530980, 761720, 1046680, 1061960, 3637213, 7274426, 14548852, 18186065, 29097704, 36372130, 72744260, 145488520]

約数ペア:

[(1, 145488520), (2, 72744260), (4, 36372130), (5, 29097704), (8, 18186065), (10, 14548852), (20, 7274426), (40, 3637213), (137, 1061960), (139, 1046680), (191, 761720), (274, 530980), (278, 523340), (382, 380860), (548, 265490), (556, 261670), (685, 212392), (695, 209336), (764, 190430), (955, 152344), (1096, 132745), (1112, 130835), (1370, 106196), (1390, 104668), (1528, 95215), (1910, 76172), (2740, 53098), (2780, 52334), (3820, 38086), (5480, 26549), (5560, 26167), (7640, 19043)]