128959390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 279023616

約数和(自身を除く): 150064226

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 173, 230, 322, 346, 463, 805, 865, 926, 1211, 1610, 1730, 2315, 2422, 3241, 3979, 4630, 6055, 6482, 7958, 10649, 12110, 16205, 19895, 21298, 27853, 32410, 39790, 53245, 55706, 74543, 80099, 106490, 139265, 149086, 160198, 278530, 372715, 400495, 560693, 745430, 800990, 1121386, 1842277, 2803465, 3684554, 5606930, 9211385, 12895939, 18422770, 25791878, 64479695, 128959390]

約数ペア:

[(1, 128959390), (2, 64479695), (5, 25791878), (7, 18422770), (10, 12895939), (14, 9211385), (23, 5606930), (35, 3684554), (46, 2803465), (70, 1842277), (115, 1121386), (161, 800990), (173, 745430), (230, 560693), (322, 400495), (346, 372715), (463, 278530), (805, 160198), (865, 149086), (926, 139265), (1211, 106490), (1610, 80099), (1730, 74543), (2315, 55706), (2422, 53245), (3241, 39790), (3979, 32410), (4630, 27853), (6055, 21298), (6482, 19895), (7958, 16205), (10649, 12110)]