247338420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2791}}^1$

素因数の和:3021

約数の個数: 96

約数和(自身を含む): 795518976

約数和(自身を除く): 548180556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 211, 420, 422, 633, 844, 1055, 1266, 1477, 2110, 2532, 2791, 2954, 3165, 4220, 4431, 5582, 5908, 6330, 7385, 8373, 8862, 11164, 12660, 13955, 14770, 16746, 17724, 19537, 22155, 27910, 29540, 33492, 39074, 41865, 44310, 55820, 58611, 78148, 83730, 88620, 97685, 117222, 167460, 195370, 234444, 293055, 390740, 586110, 588901, 1172220, 1177802, 1766703, 2355604, 2944505, 3533406, 4122307, 5889010, 7066812, 8244614, 8833515, 11778020, 12366921, 16489228, 17667030, 20611535, 24733842, 35334060, 41223070, 49467684, 61834605, 82446140, 123669210, 247338420]

約数ペア:

[(1, 247338420), (2, 123669210), (3, 82446140), (4, 61834605), (5, 49467684), (6, 41223070), (7, 35334060), (10, 24733842), (12, 20611535), (14, 17667030), (15, 16489228), (20, 12366921), (21, 11778020), (28, 8833515), (30, 8244614), (35, 7066812), (42, 5889010), (60, 4122307), (70, 3533406), (84, 2944505), (105, 2355604), (140, 1766703), (210, 1177802), (211, 1172220), (420, 588901), (422, 586110), (633, 390740), (844, 293055), (1055, 234444), (1266, 195370), (1477, 167460), (2110, 117222), (2532, 97685), (2791, 88620), (2954, 83730), (3165, 78148), (4220, 58611), (4431, 55820), (5582, 44310), (5908, 41865), (6330, 39074), (7385, 33492), (8373, 29540), (8862, 27910), (11164, 22155), (12660, 19537), (13955, 17724), (14770, 16746)]