869774620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{27647}}^1$

素因数の和:27691

約数の個数: 72

約数和(自身を含む): 2162184192

約数和(自身を除く): 1292409572

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2860, 3146, 6292, 7865, 15730, 27647, 31460, 55294, 110588, 138235, 276470, 304117, 359411, 552940, 608234, 718822, 1216468, 1437644, 1520585, 1797055, 3041170, 3345287, 3594110, 3953521, 6082340, 6690574, 7188220, 7907042, 13381148, 15814084, 16726435, 19767605, 33452870, 39535210, 43488731, 66905740, 79070420, 86977462, 173954924, 217443655, 434887310, 869774620]

約数ペア:

[(1, 869774620), (2, 434887310), (4, 217443655), (5, 173954924), (10, 86977462), (11, 79070420), (13, 66905740), (20, 43488731), (22, 39535210), (26, 33452870), (44, 19767605), (52, 16726435), (55, 15814084), (65, 13381148), (110, 7907042), (121, 7188220), (130, 6690574), (143, 6082340), (220, 3953521), (242, 3594110), (260, 3345287), (286, 3041170), (484, 1797055), (572, 1520585), (605, 1437644), (715, 1216468), (1210, 718822), (1430, 608234), (1573, 552940), (2420, 359411), (2860, 304117), (3146, 276470), (6292, 138235), (7865, 110588), (15730, 55294), (27647, 31460)]