7220180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 17006976

約数和(自身を除く): 9786796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 887, 1628, 1774, 2035, 3548, 4070, 4435, 8140, 8870, 9757, 17740, 19514, 32819, 39028, 48785, 65638, 97570, 131276, 164095, 195140, 328190, 361009, 656380, 722018, 1444036, 1805045, 3610090, 7220180]

約数ペア:

[(1, 7220180), (2, 3610090), (4, 1805045), (5, 1444036), (10, 722018), (11, 656380), (20, 361009), (22, 328190), (37, 195140), (44, 164095), (55, 131276), (74, 97570), (110, 65638), (148, 48785), (185, 39028), (220, 32819), (370, 19514), (407, 17740), (740, 9757), (814, 8870), (887, 8140), (1628, 4435), (1774, 4070), (2035, 3548)]