71640140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:747

約数の個数: 96

約数和(自身を含む): 181790784

約数和(自身を除く): 110150644

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 37, 44, 52, 55, 65, 74, 110, 130, 143, 148, 185, 220, 260, 286, 370, 407, 481, 572, 677, 715, 740, 814, 962, 1354, 1430, 1628, 1924, 2035, 2405, 2708, 2860, 3385, 4070, 4810, 5291, 6770, 7447, 8140, 8801, 9620, 10582, 13540, 14894, 17602, 21164, 25049, 26455, 29788, 35204, 37235, 44005, 50098, 52910, 74470, 88010, 96811, 100196, 105820, 125245, 148940, 176020, 193622, 250490, 275539, 325637, 387244, 484055, 500980, 551078, 651274, 968110, 1102156, 1302548, 1377695, 1628185, 1936220, 2755390, 3256370, 3582007, 5510780, 6512740, 7164014, 14328028, 17910035, 35820070, 71640140]

約数ペア:

[(1, 71640140), (2, 35820070), (4, 17910035), (5, 14328028), (10, 7164014), (11, 6512740), (13, 5510780), (20, 3582007), (22, 3256370), (26, 2755390), (37, 1936220), (44, 1628185), (52, 1377695), (55, 1302548), (65, 1102156), (74, 968110), (110, 651274), (130, 551078), (143, 500980), (148, 484055), (185, 387244), (220, 325637), (260, 275539), (286, 250490), (370, 193622), (407, 176020), (481, 148940), (572, 125245), (677, 105820), (715, 100196), (740, 96811), (814, 88010), (962, 74470), (1354, 52910), (1430, 50098), (1628, 44005), (1924, 37235), (2035, 35204), (2405, 29788), (2708, 26455), (2860, 25049), (3385, 21164), (4070, 17602), (4810, 14894), (5291, 13540), (6770, 10582), (7447, 9620), (8140, 8801)]