126617900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 292481280

約数和(自身を除く): 165863380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 103, 190, 206, 380, 412, 475, 515, 647, 950, 1030, 1294, 1900, 1957, 2060, 2575, 2588, 3235, 3914, 5150, 6470, 7828, 9785, 10300, 12293, 12940, 16175, 19570, 24586, 32350, 39140, 48925, 49172, 61465, 64700, 66641, 97850, 122930, 133282, 195700, 245860, 266564, 307325, 333205, 614650, 666410, 1229300, 1266179, 1332820, 1666025, 2532358, 3332050, 5064716, 6330895, 6664100, 12661790, 25323580, 31654475, 63308950, 126617900]

約数ペア:

[(1, 126617900), (2, 63308950), (4, 31654475), (5, 25323580), (10, 12661790), (19, 6664100), (20, 6330895), (25, 5064716), (38, 3332050), (50, 2532358), (76, 1666025), (95, 1332820), (100, 1266179), (103, 1229300), (190, 666410), (206, 614650), (380, 333205), (412, 307325), (475, 266564), (515, 245860), (647, 195700), (950, 133282), (1030, 122930), (1294, 97850), (1900, 66641), (1957, 64700), (2060, 61465), (2575, 49172), (2588, 48925), (3235, 39140), (3914, 32350), (5150, 24586), (6470, 19570), (7828, 16175), (9785, 12940), (10300, 12293)]