2021694620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43969}}^1$

素因数の和:44019

約数の個数: 72

約数和(自身を含む): 4912328400

約数和(自身を除く): 2890633780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 2090, 2299, 2420, 4180, 4598, 9196, 11495, 22990, 43969, 45980, 87938, 175876, 219845, 439690, 483659, 835411, 879380, 967318, 1670822, 1934636, 2418295, 3341644, 4177055, 4836590, 5320249, 8354110, 9189521, 9673180, 10640498, 16708220, 18379042, 21280996, 26601245, 36758084, 45947605, 53202490, 91895210, 101084731, 106404980, 183790420, 202169462, 404338924, 505423655, 1010847310, 2021694620]

約数ペア:

[(1, 2021694620), (2, 1010847310), (4, 505423655), (5, 404338924), (10, 202169462), (11, 183790420), (19, 106404980), (20, 101084731), (22, 91895210), (38, 53202490), (44, 45947605), (55, 36758084), (76, 26601245), (95, 21280996), (110, 18379042), (121, 16708220), (190, 10640498), (209, 9673180), (220, 9189521), (242, 8354110), (380, 5320249), (418, 4836590), (484, 4177055), (605, 3341644), (836, 2418295), (1045, 1934636), (1210, 1670822), (2090, 967318), (2299, 879380), (2420, 835411), (4180, 483659), (4598, 439690), (9196, 219845), (11495, 175876), (22990, 87938), (43969, 45980)]