7777397980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2447}}^1\times {\mathrm{14447}}^1$

素因数の和:16914

約数の個数: 48

約数和(自身を含む): 17825826816

約数和(自身を除く): 10048428836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2447, 4894, 9788, 12235, 14447, 24470, 26917, 28894, 48940, 53834, 57788, 72235, 107668, 134585, 144470, 158917, 269170, 288940, 317834, 538340, 635668, 794585, 1589170, 3178340, 35351809, 70703618, 141407236, 176759045, 353518090, 388869899, 707036180, 777739798, 1555479596, 1944349495, 3888698990, 7777397980]

約数ペア:

[(1, 7777397980), (2, 3888698990), (4, 1944349495), (5, 1555479596), (10, 777739798), (11, 707036180), (20, 388869899), (22, 353518090), (44, 176759045), (55, 141407236), (110, 70703618), (220, 35351809), (2447, 3178340), (4894, 1589170), (9788, 794585), (12235, 635668), (14447, 538340), (24470, 317834), (26917, 288940), (28894, 269170), (48940, 158917), (53834, 144470), (57788, 134585), (72235, 107668)]