188889640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 456468480

約数和(自身を除く): 267578840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 127, 152, 190, 206, 254, 361, 380, 412, 508, 515, 635, 722, 760, 824, 1016, 1030, 1270, 1444, 1805, 1957, 2060, 2413, 2540, 2888, 3610, 3914, 4120, 4826, 5080, 7220, 7828, 9652, 9785, 12065, 13081, 14440, 15656, 19304, 19570, 24130, 26162, 37183, 39140, 45847, 48260, 52324, 65405, 74366, 78280, 91694, 96520, 104648, 130810, 148732, 183388, 185915, 229235, 248539, 261620, 297464, 366776, 371830, 458470, 497078, 523240, 743660, 916940, 994156, 1242695, 1487320, 1833880, 1988312, 2485390, 4722241, 4970780, 9444482, 9941560, 18888964, 23611205, 37777928, 47222410, 94444820, 188889640]

約数ペア:

[(1, 188889640), (2, 94444820), (4, 47222410), (5, 37777928), (8, 23611205), (10, 18888964), (19, 9941560), (20, 9444482), (38, 4970780), (40, 4722241), (76, 2485390), (95, 1988312), (103, 1833880), (127, 1487320), (152, 1242695), (190, 994156), (206, 916940), (254, 743660), (361, 523240), (380, 497078), (412, 458470), (508, 371830), (515, 366776), (635, 297464), (722, 261620), (760, 248539), (824, 229235), (1016, 185915), (1030, 183388), (1270, 148732), (1444, 130810), (1805, 104648), (1957, 96520), (2060, 91694), (2413, 78280), (2540, 74366), (2888, 65405), (3610, 52324), (3914, 48260), (4120, 45847), (4826, 39140), (5080, 37183), (7220, 26162), (7828, 24130), (9652, 19570), (9785, 19304), (12065, 15656), (13081, 14440)]