312795890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{269}}^1$

素因数の和:360

約数の個数: 72

約数和(自身を含む): 641855340

約数和(自身を除く): 329059450

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 242, 269, 310, 341, 538, 605, 682, 961, 1210, 1345, 1705, 1922, 2690, 2959, 3410, 3751, 4805, 5918, 7502, 8339, 9610, 10571, 14795, 16678, 18755, 21142, 29590, 32549, 37510, 41695, 52855, 65098, 83390, 91729, 105710, 116281, 162745, 183458, 232562, 258509, 325490, 458645, 517018, 581405, 917290, 1009019, 1162810, 1292545, 2018038, 2585090, 2843599, 5045095, 5687198, 10090190, 14217995, 28435990, 31279589, 62559178, 156397945, 312795890]

約数ペア:

[(1, 312795890), (2, 156397945), (5, 62559178), (10, 31279589), (11, 28435990), (22, 14217995), (31, 10090190), (55, 5687198), (62, 5045095), (110, 2843599), (121, 2585090), (155, 2018038), (242, 1292545), (269, 1162810), (310, 1009019), (341, 917290), (538, 581405), (605, 517018), (682, 458645), (961, 325490), (1210, 258509), (1345, 232562), (1705, 183458), (1922, 162745), (2690, 116281), (2959, 105710), (3410, 91729), (3751, 83390), (4805, 65098), (5918, 52855), (7502, 41695), (8339, 37510), (9610, 32549), (10571, 29590), (14795, 21142), (16678, 18755)]