439953580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{1327}}^1$

素因数の和:1495

約数の個数: 72

約数和(自身を含む): 1023712704

約数和(自身を除く): 583759124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 137, 220, 242, 274, 484, 548, 605, 685, 1210, 1327, 1370, 1507, 2420, 2654, 2740, 3014, 5308, 6028, 6635, 7535, 13270, 14597, 15070, 16577, 26540, 29194, 30140, 33154, 58388, 66308, 72985, 82885, 145970, 160567, 165770, 181799, 291940, 321134, 331540, 363598, 642268, 727196, 802835, 908995, 1605670, 1817990, 1999789, 3211340, 3635980, 3999578, 7999156, 9998945, 19997890, 21997679, 39995780, 43995358, 87990716, 109988395, 219976790, 439953580]

約数ペア:

[(1, 439953580), (2, 219976790), (4, 109988395), (5, 87990716), (10, 43995358), (11, 39995780), (20, 21997679), (22, 19997890), (44, 9998945), (55, 7999156), (110, 3999578), (121, 3635980), (137, 3211340), (220, 1999789), (242, 1817990), (274, 1605670), (484, 908995), (548, 802835), (605, 727196), (685, 642268), (1210, 363598), (1327, 331540), (1370, 321134), (1507, 291940), (2420, 181799), (2654, 165770), (2740, 160567), (3014, 145970), (5308, 82885), (6028, 72985), (6635, 66308), (7535, 58388), (13270, 33154), (14597, 30140), (15070, 29194), (16577, 26540)]