28959990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 78001920

約数和(自身を除く): 49041930

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 47, 57, 69, 94, 95, 114, 115, 138, 141, 190, 230, 235, 282, 285, 345, 437, 470, 570, 690, 705, 874, 893, 1081, 1311, 1410, 1786, 2162, 2185, 2209, 2622, 2679, 3243, 4370, 4418, 4465, 5358, 5405, 6486, 6555, 6627, 8930, 10810, 11045, 13110, 13254, 13395, 16215, 20539, 22090, 26790, 32430, 33135, 41078, 41971, 50807, 61617, 66270, 83942, 101614, 102695, 123234, 125913, 152421, 205390, 209855, 251826, 254035, 304842, 308085, 419710, 508070, 616170, 629565, 762105, 965333, 1259130, 1524210, 1930666, 2895999, 4826665, 5791998, 9653330, 14479995, 28959990]

約数ペア:

[(1, 28959990), (2, 14479995), (3, 9653330), (5, 5791998), (6, 4826665), (10, 2895999), (15, 1930666), (19, 1524210), (23, 1259130), (30, 965333), (38, 762105), (46, 629565), (47, 616170), (57, 508070), (69, 419710), (94, 308085), (95, 304842), (114, 254035), (115, 251826), (138, 209855), (141, 205390), (190, 152421), (230, 125913), (235, 123234), (282, 102695), (285, 101614), (345, 83942), (437, 66270), (470, 61617), (570, 50807), (690, 41971), (705, 41078), (874, 33135), (893, 32430), (1081, 26790), (1311, 22090), (1410, 20539), (1786, 16215), (2162, 13395), (2185, 13254), (2209, 13110), (2622, 11045), (2679, 10810), (3243, 8930), (4370, 6627), (4418, 6555), (4465, 6486), (5358, 5405)]